725865313 has 2 divisors, whose sum is σ = 725865314. Its totient is φ = 725865312.

The previous prime is 725865307. The next prime is 725865373. The reversal of 725865313 is 313568527.

725865313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 709316689 + 16548624 = 26633^2 + 4068^2 .

It is a cyclic number.

It is not a de Polignac number, because 725865313 - 2⁵ = 725865281 is a prime.

It is not a weakly prime, because it can be changed into another prime (725865373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362932656 + 362932657.

It is an arithmetic number, because the mean of its divisors is an integer number (362932657).

Almost surely, 2^725865313 is an apocalyptic number.

It is an amenable number.

725865313 is a deficient number, since it is larger than the sum of its proper divisors (1).

725865313 is an equidigital number, since it uses as much as digits as its factorization.

725865313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 725865313 is about 26941.8877029803. The cubic root of 725865313 is about 898.7081519354.

The spelling of 725865313 in words is "seven hundred twenty-five million, eight hundred sixty-five thousand, three hundred thirteen".