651533066725 has 12 divisors (see below), whose sum is σ = 825090387264. Its totient is φ = 510136527920.

The previous prime is 651533066713. The next prime is 651533066747. The reversal of 651533066725 is 527660335156.

It is not a de Polignac number, because 651533066725 - 2⁵ = 651533066693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277246939 + ... + 277249288.

It is an arithmetic number, because the mean of its divisors is an integer number (68757532272).

Almost surely, 2^651533066725 is an apocalyptic number.

It is an amenable number.

651533066725 is a deficient number, since it is larger than the sum of its proper divisors (173557320539).

651533066725 is a wasteful number, since it uses less digits than its factorization.

651533066725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554496284 (or 554496279 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 49.

The spelling of 651533066725 in words is "six hundred fifty-one billion, five hundred thirty-three million, sixty-six thousand, seven hundred twenty-five".