656725375 has 8 divisors (see below), whose sum is σ = 819593424. Its totient is φ = 525380200.

The previous prime is 656725343. The next prime is 656725379. The reversal of 656725375 is 573527656.

It is not a de Polignac number, because 656725375 - 2⁵ = 656725343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656725379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2626777 + ... + 2627026.

It is an arithmetic number, because the mean of its divisors is an integer number (102449178).

Almost surely, 2^656725375 is an apocalyptic number.

656725375 is a deficient number, since it is larger than the sum of its proper divisors (162868049).

656725375 is an equidigital number, since it uses as much as digits as its factorization.

656725375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253818 (or 5253808 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 46.

The square root of 656725375 is about 25626.6536051822. The cubic root of 656725375 is about 869.2164412005.

The spelling of 656725375 in words is "six hundred fifty-six million, seven hundred twenty-five thousand, three hundred seventy-five".