651571952 has 20 divisors (see below), whose sum is σ = 1271507160. Its totient is φ = 323441088.

The previous prime is 651571933. The next prime is 651571957. The reversal of 651571952 is 259175156.

651571952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651571957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144263 + ... + 148710.

It is an arithmetic number, because the mean of its divisors is an integer number (63575358).

Almost surely, 2^651571952 is an apocalyptic number.

It is an amenable number.

651571952 is a deficient number, since it is larger than the sum of its proper divisors (619935208).

651571952 is a wasteful number, since it uses less digits than its factorization.

651571952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293120 (or 293114 counting only the distinct ones).

The product of its digits is 94500, while the sum is 41.

The square root of 651571952 is about 25525.9074667288. The cubic root of 651571952 is about 866.9368438391.

The spelling of 651571952 in words is "six hundred fifty-one million, five hundred seventy-one thousand, nine hundred fifty-two".