61597496 has 32 divisors (see below), whose sum is σ = 124416000. Its totient is φ = 28506720.

The previous prime is 61597469. The next prime is 61597517. The reversal of 61597496 is 69479516.

It is a self number, because there is not a number n which added to its sum of digits gives 61597496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305 + ... + 11103.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^61597496 is an apocalyptic number.

It is an amenable number.

61597496 is an abundant number, since it is smaller than the sum of its proper divisors (62818504).

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

61597496 is a wasteful number, since it uses less digits than its factorization.

61597496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10859 (or 10855 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The square root of 61597496 is about 7848.4072269474. The cubic root of 61597496 is about 394.9308130704.

The spelling of 61597496 in words is "sixty-one million, five hundred ninety-seven thousand, four hundred ninety-six".