616064625 has 48 divisors (see below), whose sum is σ = 1211543424. Its totient is φ = 298692000.

The previous prime is 616064611. The next prime is 616064639. The reversal of 616064625 is 526460616.

It is a happy number.

616064625 is a `hidden beast` number, since 6 + 1 + 6 + 0 + 646 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (616064611) and next prime (616064639).

It is not a de Polignac number, because 616064625 - 2¹⁰ = 616063601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616064625.

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, 12517 + ... + 37266.

It is an arithmetic number, because the mean of its divisors is an integer number (25240488).

Almost surely, 2^616064625 is an apocalyptic number.

It is an amenable number.

616064625 is a deficient number, since it is larger than the sum of its proper divisors (595478799).

616064625 is a wasteful number, since it uses less digits than its factorization.

616064625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49815 (or 49802 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 616064625 is about 24820.6491655637. The cubic root of 616064625 is about 850.8939269052.

The spelling of 616064625 in words is "six hundred sixteen million, sixty-four thousand, six hundred twenty-five".