2515423716 has 81 divisors (see below), whose sum is σ = 6895890729. Its totient is φ = 772772832.

The previous prime is 2515423637. The next prime is 2515423733. The reversal of 2515423716 is 6173245152.

The square root of 2515423716 is 50154.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 372104100 + 2143319616 = 19290^2 + 46296^2 .

It is a super-3 number, since 3×2515423716³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3911691 + ... + 3912333.

Almost surely, 2^2515423716 is an apocalyptic number.

2515423716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2515423716 is the 50154-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2515423716

2515423716 is an abundant number, since it is smaller than the sum of its proper divisors (4380467013).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2515423716 is a wasteful number, since it uses less digits than its factorization.

2515423716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 661 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The cubic root of 2515423716 is about 1359.9941817802.

Multiplying 2515423716 by its sum of digits (36), we get a square (90555253776 = 300924²).

2515423716 divided by its sum of digits (36) gives a square (69872881 = 8359²).

Adding to 2515423716 its reverse (6173245152), we get a palindrome (8688668868).

The spelling of 2515423716 in words is "two billion, five hundred fifteen million, four hundred twenty-three thousand, seven hundred sixteen".