725331599 has 2 divisors, whose sum is σ = 725331600. Its totient is φ = 725331598.

The previous prime is 725331587. The next prime is 725331619. The reversal of 725331599 is 995133527.

It is a weak prime.

It is an emirp because it is prime and its reverse (995133527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725331599 - 2¹² = 725327503 is a prime.

It is a super-2 number, since 2×725331599² = 1052211857015793602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725331539) 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, 362665799 + 362665800.

It is an arithmetic number, because the mean of its divisors is an integer number (362665800).

Almost surely, 2^725331599 is an apocalyptic number.

725331599 is a deficient number, since it is larger than the sum of its proper divisors (1).

725331599 is an equidigital number, since it uses as much as digits as its factorization.

725331599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 255150, while the sum is 44.

The square root of 725331599 is about 26931.9809705859. The cubic root of 725331599 is about 898.4878306528.

The spelling of 725331599 in words is "seven hundred twenty-five million, three hundred thirty-one thousand, five hundred ninety-nine".