61315432 has 16 divisors (see below), whose sum is σ = 121017600. Its totient is φ = 29044080.

The previous prime is 61315421. The next prime is 61315469. The reversal of 61315432 is 23451316.

It is a junction number, because it is equal to n+sod(n) for n = 61315397 and 61315406.

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, 201544 + ... + 201847.

It is an arithmetic number, because the mean of its divisors is an integer number (7563600).

Almost surely, 2^61315432 is an apocalyptic number.

It is an amenable number.

61315432 is a deficient number, since it is larger than the sum of its proper divisors (59702168).

61315432 is a wasteful number, since it uses less digits than its factorization.

61315432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403416 (or 403412 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 61315432 is about 7830.4171025559. The cubic root of 61315432 is about 394.3270751562.

Adding to 61315432 its reverse (23451316), we get a palindrome (84766748).

The spelling of 61315432 in words is "sixty-one million, three hundred fifteen thousand, four hundred thirty-two".