650252660 has 12 divisors (see below), whose sum is σ = 1365530628. Its totient is φ = 260101056.

The previous prime is 650252653. The next prime is 650252663. The reversal of 650252660 is 66252056.

It can be written as a sum of positive squares in 2 ways, for example, as 285136996 + 365115664 = 16886^2 + 19108^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650252663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16256297 + ... + 16256336.

It is an arithmetic number, because the mean of its divisors is an integer number (113794219).

Almost surely, 2^650252660 is an apocalyptic number.

It is an amenable number.

650252660 is an abundant number, since it is smaller than the sum of its proper divisors (715277968).

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

650252660 is a wasteful number, since it uses less digits than its factorization.

650252660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32512642 (or 32512640 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 650252660 is about 25500.0521568094. The cubic root of 650252660 is about 866.3513287360.

The spelling of 650252660 in words is "six hundred fifty million, two hundred fifty-two thousand, six hundred sixty".