65317252 has 72 divisors (see below), whose sum is σ = 154739648. Its totient is φ = 23474880.

The previous prime is 65317237. The next prime is 65317271. The reversal of 65317252 is 25271356.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 43303 + ... + 44785.

Almost surely, 2^65317252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65317252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77369824).

65317252 is an abundant number, since it is smaller than the sum of its proper divisors (89422396).

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

65317252 is a wasteful number, since it uses less digits than its factorization.

65317252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1516 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 65317252 is about 8081.9089329193. The cubic root of 65317252 is about 402.7256597607.

The spelling of 65317252 in words is "sixty-five million, three hundred seventeen thousand, two hundred fifty-two".