725479507 has 2 divisors, whose sum is σ = 725479508. Its totient is φ = 725479506.

The previous prime is 725479487. The next prime is 725479519. The reversal of 725479507 is 705974527.

It is a strong prime.

It is an emirp because it is prime and its reverse (705974527) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725479507 is a prime.

It is not a weakly prime, because it can be changed into another prime (725479537) 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, 362739753 + 362739754.

It is an arithmetic number, because the mean of its divisors is an integer number (362739754).

Almost surely, 2^725479507 is an apocalyptic number.

725479507 is a deficient number, since it is larger than the sum of its proper divisors (1).

725479507 is an equidigital number, since it uses as much as digits as its factorization.

725479507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 617400, while the sum is 46.

The square root of 725479507 is about 26934.7267853231. The cubic root of 725479507 is about 898.5488990460.

The spelling of 725479507 in words is "seven hundred twenty-five million, four hundred seventy-nine thousand, five hundred seven".