65600625 has 40 divisors (see below), whose sum is σ = 111339360. Its totient is φ = 34336000.

The previous prime is 65600621. The next prime is 65600651. The reversal of 65600625 is 52600656.

It is not a de Polignac number, because 65600625 - 2² = 65600621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65600592 and 65600601.

It is not an unprimeable number, because it can be changed into a prime (65600621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 110329 + ... + 110921.

It is an arithmetic number, because the mean of its divisors is an integer number (2783484).

Almost surely, 2^65600625 is an apocalyptic number.

It is an amenable number.

65600625 is a deficient number, since it is larger than the sum of its proper divisors (45738735).

65600625 is an equidigital number, since it uses as much as digits as its factorization.

65600625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 65600625 is about 8099.4212756221. The cubic root of 65600625 is about 403.3072158638.

The spelling of 65600625 in words is "sixty-five million, six hundred thousand, six hundred twenty-five".