65402625 has 16 divisors (see below), whose sum is σ = 108830592. Its totient is φ = 34881200.

The previous prime is 65402611. The next prime is 65402633. The reversal of 65402625 is 52620456.

It is not a de Polignac number, because 65402625 - 2⁷ = 65402497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65402592 and 65402601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86829 + ... + 87578.

It is an arithmetic number, because the mean of its divisors is an integer number (6801912).

Almost surely, 2^65402625 is an apocalyptic number.

It is an amenable number.

65402625 is a deficient number, since it is larger than the sum of its proper divisors (43427967).

65402625 is a wasteful number, since it uses less digits than its factorization.

65402625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174425 (or 174415 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 65402625 is about 8087.1889430135. The cubic root of 65402625 is about 402.9010444047.

The spelling of 65402625 in words is "sixty-five million, four hundred two thousand, six hundred twenty-five".