61431952 has 40 divisors (see below), whose sum is σ = 121617216. Its totient is φ = 30055296.

The previous prime is 61431949. The next prime is 61431977. The reversal of 61431952 is 25913416.

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, 221638 + ... + 221914.

Almost surely, 2^61431952 is an apocalyptic number.

It is an amenable number.

61431952 is a deficient number, since it is larger than the sum of its proper divisors (60185264).

61431952 is a wasteful number, since it uses less digits than its factorization.

61431952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 529 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 61431952 is about 7837.8537878682. The cubic root of 61431952 is about 394.5767019090.

The spelling of 61431952 in words is "sixty-one million, four hundred thirty-one thousand, nine hundred fifty-two".