61317952 has 28 divisors (see below), whose sum is σ = 122106436. Its totient is φ = 30551040.

The previous prime is 61317941. The next prime is 61317961. The reversal of 61317952 is 25971316.

It can be written as a sum of positive squares in 2 ways, for example, as 26460736 + 34857216 = 5144^2 + 5904^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18502 + ... + 21562.

Almost surely, 2^61317952 is an apocalyptic number.

It is an amenable number.

61317952 is a deficient number, since it is larger than the sum of its proper divisors (60788484).

61317952 is a wasteful number, since it uses less digits than its factorization.

61317952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386 (or 3376 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 61317952 is about 7830.5780118712. The cubic root of 61317952 is about 394.3324772253.

The spelling of 61317952 in words is "sixty-one million, three hundred seventeen thousand, nine hundred fifty-two".