65286725 has 24 divisors (see below), whose sum is σ = 94279680. Its totient is φ = 43917120.

The previous prime is 65286707. The next prime is 65286737. The reversal of 65286725 is 52768256.

It is not a de Polignac number, because 65286725 - 2¹⁸ = 65024581 is a prime.

It is a super-2 number, since 2×65286725² = 8524712922451250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5756 + ... + 12794.

It is an arithmetic number, because the mean of its divisors is an integer number (3928320).

Almost surely, 2^65286725 is an apocalyptic number.

It is an amenable number.

65286725 is a deficient number, since it is larger than the sum of its proper divisors (28992955).

65286725 is a wasteful number, since it uses less digits than its factorization.

65286725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109 (or 7104 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 65286725 is about 8080.0201113611. The cubic root of 65286725 is about 402.6629100195.

The spelling of 65286725 in words is "sixty-five million, two hundred eighty-six thousand, seven hundred twenty-five".