65125564 has 24 divisors (see below), whose sum is σ = 133282688. Its totient is φ = 27261360.

The previous prime is 65125523. The next prime is 65125573. The reversal of 65125564 is 46552156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25842 + ... + 28249.

Almost surely, 2^65125564 is an apocalyptic number.

It is an amenable number.

65125564 is an abundant number, since it is smaller than the sum of its proper divisors (68157124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65125564 is a wasteful number, since it uses less digits than its factorization.

65125564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54145 (or 54143 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 65125564 is about 8070.0411399199. The cubic root of 65125564 is about 402.3313110744.

The spelling of 65125564 in words is "sixty-five million, one hundred twenty-five thousand, five hundred sixty-four".