725078311 has 2 divisors, whose sum is σ = 725078312. Its totient is φ = 725078310.

The previous prime is 725078303. The next prime is 725078357. The reversal of 725078311 is 113870527.

It is a weak prime.

It is an emirp because it is prime and its reverse (113870527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725078311 - 2³ = 725078303 is a prime.

It is a super-2 number, since 2×725078311² = 1051477114165225442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725078371) 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, 362539155 + 362539156.

It is an arithmetic number, because the mean of its divisors is an integer number (362539156).

Almost surely, 2^725078311 is an apocalyptic number.

725078311 is a deficient number, since it is larger than the sum of its proper divisors (1).

725078311 is an equidigital number, since it uses as much as digits as its factorization.

725078311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 725078311 is about 26927.2781951686. The cubic root of 725078311 is about 898.3832335824.

The spelling of 725078311 in words is "seven hundred twenty-five million, seventy-eight thousand, three hundred eleven".