651232666325 has 24 divisors (see below), whose sum is σ = 819697196736. Its totient is φ = 513149616000.

The previous prime is 651232666297. The next prime is 651232666339. The reversal of 651232666325 is 523666232156.

It is not a de Polignac number, because 651232666325 - 2⁸ = 651232666069 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 651232666325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1655990 + ... + 2011160.

It is an arithmetic number, because the mean of its divisors is an integer number (34154049864).

Almost surely, 2^651232666325 is an apocalyptic number.

It is an amenable number.

651232666325 is a deficient number, since it is larger than the sum of its proper divisors (168464530411).

651232666325 is a wasteful number, since it uses less digits than its factorization.

651232666325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356285 (or 356280 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 47.

The spelling of 651232666325 in words is "six hundred fifty-one billion, two hundred thirty-two million, six hundred sixty-six thousand, three hundred twenty-five".