61657352 has 16 divisors (see below), whose sum is σ = 115803600. Its totient is φ = 30776400.

The previous prime is 61657327. The next prime is 61657361. The reversal of 61657352 is 25375616.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1274 + ... + 11177.

It is an arithmetic number, because the mean of its divisors is an integer number (7237725).

Almost surely, 2^61657352 is an apocalyptic number.

It is an amenable number.

61657352 is a deficient number, since it is larger than the sum of its proper divisors (54146248).

61657352 is a wasteful number, since it uses less digits than its factorization.

61657352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13076 (or 13072 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 61657352 is about 7852.2195588254. The cubic root of 61657352 is about 395.0586934093.

The spelling of 61657352 in words is "sixty-one million, six hundred fifty-seven thousand, three hundred fifty-two".