725837207131 has 2 divisors, whose sum is σ = 725837207132. Its totient is φ = 725837207130.

The previous prime is 725837207099. The next prime is 725837207159. The reversal of 725837207131 is 131702738527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725837207131 - 2⁵ = 725837207099 is a prime.

It is a super-2 number, since 2×725837207131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (725837207731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362918603565 + 362918603566.

It is an arithmetic number, because the mean of its divisors is an integer number (362918603566).

Almost surely, 2^725837207131 is an apocalyptic number.

725837207131 is a deficient number, since it is larger than the sum of its proper divisors (1).

725837207131 is an equidigital number, since it uses as much as digits as its factorization.

725837207131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 725837207131 in words is "seven hundred twenty-five billion, eight hundred thirty-seven million, two hundred seven thousand, one hundred thirty-one".