650525964 has 48 divisors (see below), whose sum is σ = 1657466496. Its totient is φ = 196940800.

The previous prime is 650525903. The next prime is 650525983. The reversal of 650525964 is 469525056.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205804 + ... + 208940.

It is an arithmetic number, because the mean of its divisors is an integer number (34530552).

Almost surely, 2^650525964 is an apocalyptic number.

It is an amenable number.

650525964 is an abundant number, since it is smaller than the sum of its proper divisors (1006940532).

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

650525964 is a wasteful number, since it uses less digits than its factorization.

650525964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726 (or 4724 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 650525964 is about 25505.4104848363. The cubic root of 650525964 is about 866.4726888026.

The spelling of 650525964 in words is "six hundred fifty million, five hundred twenty-five thousand, nine hundred sixty-four".