65087825 has 24 divisors (see below), whose sum is σ = 92687520. Its totient is φ = 44841600.

The previous prime is 65087821. The next prime is 65087833. The reversal of 65087825 is 52878056.

It is not a de Polignac number, because 65087825 - 2² = 65087821 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (65087821) 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, 1004 + ... + 11453.

It is an arithmetic number, because the mean of its divisors is an integer number (3861980).

Almost surely, 2^65087825 is an apocalyptic number.

It is an amenable number.

65087825 is a deficient number, since it is larger than the sum of its proper divisors (27599695).

65087825 is a wasteful number, since it uses less digits than its factorization.

65087825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12497 (or 12492 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 65087825 is about 8067.7025849990. The cubic root of 65087825 is about 402.2535816636.

The spelling of 65087825 in words is "sixty-five million, eighty-seven thousand, eight hundred twenty-five".