651252336 has 120 divisors (see below), whose sum is σ = 1964762640. Its totient is φ = 185342976.

The previous prime is 651252311. The next prime is 651252353. The reversal of 651252336 is 633252156.

It is a junction number, because it is equal to n+sod(n) for n = 651252297 and 651252306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 961630 + ... + 962306.

It is an arithmetic number, because the mean of its divisors is an integer number (16373022).

Almost surely, 2^651252336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651252336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982381320).

651252336 is an abundant number, since it is smaller than the sum of its proper divisors (1313510304).

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

651252336 is a wasteful number, since it uses less digits than its factorization.

651252336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1098 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 651252336 is about 25519.6460790505. The cubic root of 651252336 is about 866.7950676293.

The spelling of 651252336 in words is "six hundred fifty-one million, two hundred fifty-two thousand, three hundred thirty-six".