651012054 has 32 divisors (see below), whose sum is σ = 1623303936. Its totient is φ = 169093920.

The previous prime is 651012049. The next prime is 651012073. The reversal of 651012054 is 450210156.

It is a congruent number.

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, 704097 + ... + 705020.

It is an arithmetic number, because the mean of its divisors is an integer number (50728248).

Almost surely, 2^651012054 is an apocalyptic number.

651012054 is an abundant number, since it is smaller than the sum of its proper divisors (972291882).

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

651012054 is a wasteful number, since it uses less digits than its factorization.

651012054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409140.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 651012054 is about 25514.9378600066. The cubic root of 651012054 is about 866.6884520822.

The spelling of 651012054 in words is "six hundred fifty-one million, twelve thousand, fifty-four".