725253307 has 2 divisors, whose sum is σ = 725253308. Its totient is φ = 725253306.

The previous prime is 725253299. The next prime is 725253329. The reversal of 725253307 is 703352527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725253307 - 2³ = 725253299 is a prime.

It is not a weakly prime, because it can be changed into another prime (725253377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362626653 + 362626654.

It is an arithmetic number, because the mean of its divisors is an integer number (362626654).

Almost surely, 2^725253307 is an apocalyptic number.

725253307 is a deficient number, since it is larger than the sum of its proper divisors (1).

725253307 is an equidigital number, since it uses as much as digits as its factorization.

725253307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 34.

The square root of 725253307 is about 26930.5274177837. The cubic root of 725253307 is about 898.4555020183.

The spelling of 725253307 in words is "seven hundred twenty-five million, two hundred fifty-three thousand, three hundred seven".