65502725 has 24 divisors (see below), whose sum is σ = 83887488. Its totient is φ = 50710400.

The previous prime is 65502719. The next prime is 65502727. The reversal of 65502725 is 52720556.

It is not a de Polignac number, because 65502725 - 2²⁰ = 64454149 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65502691 and 65502700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65502727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125465 + ... + 125985.

It is an arithmetic number, because the mean of its divisors is an integer number (3495312).

Almost surely, 2^65502725 is an apocalyptic number.

It is an amenable number.

65502725 is a deficient number, since it is larger than the sum of its proper divisors (18384763).

65502725 is a wasteful number, since it uses less digits than its factorization.

65502725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 65502725 is about 8093.3753774306. The cubic root of 65502725 is about 403.1064889443.

The spelling of 65502725 in words is "sixty-five million, five hundred two thousand, seven hundred twenty-five".