651064652 has 12 divisors (see below), whose sum is σ = 1302129360. Its totient is φ = 279027696.

The previous prime is 651064639. The next prime is 651064669. The reversal of 651064652 is 256460156.

651064652 is an admirable number.

It is a super-2 number, since 2×651064652² = 847770362167762208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) 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 3 ways as a sum of consecutive naturals, for example, 11626127 + ... + 11626182.

It is an arithmetic number, because the mean of its divisors is an integer number (108510780).

Almost surely, 2^651064652 is an apocalyptic number.

It is an amenable number.

651064652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

651064652 is a wasteful number, since it uses less digits than its factorization.

651064652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23252320 (or 23252318 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 651064652 is about 25515.9685687218. The cubic root of 651064652 is about 866.7117925879.

The spelling of 651064652 in words is "six hundred fifty-one million, sixty-four thousand, six hundred fifty-two".