2515054521 has 32 divisors (see below), whose sum is σ = 3964715008. Its totient is φ = 1387782720.

The previous prime is 2515054519. The next prime is 2515054523. The reversal of 2515054521 is 1254505152.

It is an interprime number because it is at equal distance from previous prime (2515054519) and next prime (2515054523).

It is not a de Polignac number, because 2515054521 - 2¹ = 2515054519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2515054523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313071 + ... + 321003.

It is an arithmetic number, because the mean of its divisors is an integer number (123897344).

Almost surely, 2^2515054521 is an apocalyptic number.

2515054521 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2515054521 is a deficient number, since it is larger than the sum of its proper divisors (1449660487).

2515054521 is a wasteful number, since it uses less digits than its factorization.

2515054521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8461.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 2515054521 is about 50150.3192512271. The cubic root of 2515054521 is about 1359.9276419476.

Adding to 2515054521 its reverse (1254505152), we get a palindrome (3769559673).

The spelling of 2515054521 in words is "two billion, five hundred fifteen million, fifty-four thousand, five hundred twenty-one".