651134004 has 24 divisors (see below), whose sum is σ = 1537620000. Its totient is φ = 214429344.

The previous prime is 651133999. The next prime is 651134093. The reversal of 651134004 is 400431156.

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, 325879 + ... + 327870.

It is an arithmetic number, because the mean of its divisors is an integer number (64067500).

Almost surely, 2^651134004 is an apocalyptic number.

It is an amenable number.

651134004 is an abundant number, since it is smaller than the sum of its proper divisors (886485996).

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

651134004 is a wasteful number, since it uses less digits than its factorization.

651134004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653839 (or 653837 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 651134004 is about 25517.3275246449. The cubic root of 651134004 is about 866.7425658052.

The spelling of 651134004 in words is "six hundred fifty-one million, one hundred thirty-four thousand, four".