61424625 has 64 divisors (see below), whose sum is σ = 110972160. Its totient is φ = 30067200.

The previous prime is 61424617. The next prime is 61424647. The reversal of 61424625 is 52642416.

It is not a de Polignac number, because 61424625 - 2³ = 61424617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61424592 and 61424601.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 263509 + ... + 263741.

It is an arithmetic number, because the mean of its divisors is an integer number (1733940).

Almost surely, 2^61424625 is an apocalyptic number.

It is an amenable number.

61424625 is a deficient number, since it is larger than the sum of its proper divisors (49547535).

61424625 is a wasteful number, since it uses less digits than its factorization.

61424625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 297 counting only the distinct ones).

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

The square root of 61424625 is about 7837.3863628125. The cubic root of 61424625 is about 394.5610142071.

The spelling of 61424625 in words is "sixty-one million, four hundred twenty-four thousand, six hundred twenty-five".