656351201325 has 24 divisors (see below), whose sum is σ = 1089389792448. Its totient is φ = 348691886080.

The previous prime is 656351201323. The next prime is 656351201351. The reversal of 656351201325 is 523102153656.

It is not a de Polignac number, because 656351201325 - 2¹ = 656351201323 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656351201321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17006697 + ... + 17045246.

It is an arithmetic number, because the mean of its divisors is an integer number (45391241352).

Almost surely, 2^656351201325 is an apocalyptic number.

It is an amenable number.

656351201325 is a deficient number, since it is larger than the sum of its proper divisors (433038591123).

656351201325 is a wasteful number, since it uses less digits than its factorization.

656351201325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34052213 (or 34052208 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 656351201325 in words is "six hundred fifty-six billion, three hundred fifty-one million, two hundred one thousand, three hundred twenty-five".