2525504 has 14 divisors (see below), whose sum is σ = 5011674. Its totient is φ = 1262720.

The previous prime is 2525489. The next prime is 2525507. The reversal of 2525504 is 4055252.

It can be written as a sum of positive squares in only one way, i.e., 1960000 + 565504 = 1400^2 + 752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2525504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525507) by changing a digit.

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 as a sum of consecutive naturals, namely, 19667 + ... + 19794.

2^2525504 is an apocalyptic number.

It is an amenable number.

2525504 is a deficient number, since it is larger than the sum of its proper divisors (2486170).

2525504 is an equidigital number, since it uses as much as digits as its factorization.

2525504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39473 (or 39463 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 2525504 is about 1589.1834381216. The cubic root of 2525504 is about 136.1808436182.

The spelling of 2525504 in words is "two million, five hundred twenty-five thousand, five hundred four".