651402516 has 24 divisors (see below), whose sum is σ = 1552279680. Its totient is φ = 212514112.

The previous prime is 651402497. The next prime is 651402523. The reversal of 651402516 is 615204156.

651402516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×651402516² = 848650475702260512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576921 + ... + 578048.

It is an arithmetic number, because the mean of its divisors is an integer number (64678320).

Almost surely, 2^651402516 is an apocalyptic number.

It is an amenable number.

651402516 is an abundant number, since it is smaller than the sum of its proper divisors (900877164).

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

651402516 is a wasteful number, since it uses less digits than its factorization.

651402516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155023 (or 1155021 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 651402516 is about 25522.5883483631. The cubic root of 651402516 is about 866.8616906934.

The spelling of 651402516 in words is "six hundred fifty-one million, four hundred two thousand, five hundred sixteen".