61525504 has 20 divisors (see below), whose sum is σ = 122931864. Its totient is φ = 30762496.

The previous prime is 61525489. The next prime is 61525507. The reversal of 61525504 is 40552516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61525507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59572 + ... + 60595.

Almost surely, 2^61525504 is an apocalyptic number.

61525504 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

61525504 is a deficient number, since it is larger than the sum of its proper divisors (61406360).

61525504 is an equidigital number, since it uses as much as digits as its factorization.

61525504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120185 (or 120169 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 61525504 is about 7843.8194777799. The cubic root of 61525504 is about 394.7768947853.

The spelling of 61525504 in words is "sixty-one million, five hundred twenty-five thousand, five hundred four".