61324425 has 48 divisors (see below), whose sum is σ = 115111680. Its totient is φ = 31993920.

The previous prime is 61324391. The next prime is 61324441. The reversal of 61324425 is 52442316.

61324425 is a `hidden beast` number, since 613 + 2 + 4 + 42 + 5 = 666.

It is not a de Polignac number, because 61324425 - 2⁷ = 61324297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30759 + ... + 32691.

It is an arithmetic number, because the mean of its divisors is an integer number (2398160).

Almost surely, 2^61324425 is an apocalyptic number.

It is an amenable number.

61324425 is a deficient number, since it is larger than the sum of its proper divisors (53787255).

61324425 is a wasteful number, since it uses less digits than its factorization.

61324425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999 (or 1988 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 61324425 is about 7830.9913165576. The cubic root of 61324425 is about 394.3463525763.

The spelling of 61324425 in words is "sixty-one million, three hundred twenty-four thousand, four hundred twenty-five".