65387625 has 16 divisors (see below), whose sum is σ = 108805632. Its totient is φ = 34873200.

The previous prime is 65387611. The next prime is 65387629. The reversal of 65387625 is 52678356.

It is not a de Polignac number, because 65387625 - 2⁶ = 65387561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65387629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86809 + ... + 87558.

It is an arithmetic number, because the mean of its divisors is an integer number (6800352).

Almost surely, 2^65387625 is an apocalyptic number.

It is an amenable number.

65387625 is a deficient number, since it is larger than the sum of its proper divisors (43418007).

65387625 is a wasteful number, since it uses less digits than its factorization.

65387625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174385 (or 174375 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 65387625 is about 8086.2614971320. The cubic root of 65387625 is about 402.8702404538.

The spelling of 65387625 in words is "sixty-five million, three hundred eighty-seven thousand, six hundred twenty-five".