61256604 has 48 divisors (see below), whose sum is σ = 146861568. Its totient is φ = 19863168.

The previous prime is 61256597. The next prime is 61256617. The reversal of 61256604 is 40665216.

It is a super-2 number, since 2×61256604² = 7504743067225632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176359 + ... + 176705.

It is an arithmetic number, because the mean of its divisors is an integer number (3059616).

Almost surely, 2^61256604 is an apocalyptic number.

It is an amenable number.

61256604 is an abundant number, since it is smaller than the sum of its proper divisors (85604964).

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

61256604 is a wasteful number, since it uses less digits than its factorization.

61256604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 61256604 is about 7826.6598239607. The cubic root of 61256604 is about 394.2009247718.

The spelling of 61256604 in words is "sixty-one million, two hundred fifty-six thousand, six hundred four".