61256424 has 32 divisors (see below), whose sum is σ = 156705120. Its totient is φ = 19943616.

The previous prime is 61256387. The next prime is 61256431. The reversal of 61256424 is 42465216.

It is a junction number, because it is equal to n+sod(n) for n = 61256391 and 61256400.

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, 28647 + ... + 30710.

It is an arithmetic number, because the mean of its divisors is an integer number (4897035).

Almost surely, 2^61256424 is an apocalyptic number.

It is an amenable number.

61256424 is an abundant number, since it is smaller than the sum of its proper divisors (95448696).

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

61256424 is a wasteful number, since it uses less digits than its factorization.

61256424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59409 (or 59405 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 61256424 is about 7826.6483247940. The cubic root of 61256424 is about 394.2005386571.

The spelling of 61256424 in words is "sixty-one million, two hundred fifty-six thousand, four hundred twenty-four".