2515464 has 144 divisors (see below), whose sum is σ = 8536320. Its totient is φ = 665280.

The previous prime is 2515453. The next prime is 2515477. The reversal of 2515464 is 4645152.

Its product of digits (4800) is a multiple of the sum of its prime factors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 81129 + ... + 81159.

It is an arithmetic number, because the mean of its divisors is an integer number (59280).

2^2515464 is an apocalyptic number.

2515464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2515464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4268160).

2515464 is an abundant number, since it is smaller than the sum of its proper divisors (6020856).

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

2515464 is a wasteful number, since it uses less digits than its factorization.

2515464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 66 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2515464 is about 1586.0214374339. The cubic root of 2515464 is about 136.0001441752. Note that the first 3 decimals are identical.

The spelling of 2515464 in words is "two million, five hundred fifteen thousand, four hundred sixty-four".