725538311 has 2 divisors, whose sum is σ = 725538312. Its totient is φ = 725538310.

The previous prime is 725538301. The next prime is 725538343. The reversal of 725538311 is 113835527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725538311 - 2²² = 721344007 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725538301) 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, 362769155 + 362769156.

It is an arithmetic number, because the mean of its divisors is an integer number (362769156).

Almost surely, 2^725538311 is an apocalyptic number.

725538311 is a deficient number, since it is larger than the sum of its proper divisors (1).

725538311 is an equidigital number, since it uses as much as digits as its factorization.

725538311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 725538311 is about 26935.8183651435. The cubic root of 725538311 is about 898.5731757905.

The spelling of 725538311 in words is "seven hundred twenty-five million, five hundred thirty-eight thousand, three hundred eleven".