725867159 has 2 divisors, whose sum is σ = 725867160. Its totient is φ = 725867158.

The previous prime is 725867141. The next prime is 725867167. The reversal of 725867159 is 951768527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725867159 - 2⁸ = 725866903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725867119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362933579 + 362933580.

It is an arithmetic number, because the mean of its divisors is an integer number (362933580).

Almost surely, 2^725867159 is an apocalyptic number.

725867159 is a deficient number, since it is larger than the sum of its proper divisors (1).

725867159 is an equidigital number, since it uses as much as digits as its factorization.

725867159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 50.

The square root of 725867159 is about 26941.9219618794. The cubic root of 725867159 is about 898.7089137911.

The spelling of 725867159 in words is "seven hundred twenty-five million, eight hundred sixty-seven thousand, one hundred fifty-nine".