725507023 has 2 divisors, whose sum is σ = 725507024. Its totient is φ = 725507022.

The previous prime is 725507017. The next prime is 725507047. The reversal of 725507023 is 320705527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725507023 - 2²¹ = 723409871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725507053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362753511 + 362753512.

It is an arithmetic number, because the mean of its divisors is an integer number (362753512).

Almost surely, 2^725507023 is an apocalyptic number.

725507023 is a deficient number, since it is larger than the sum of its proper divisors (1).

725507023 is an equidigital number, since it uses as much as digits as its factorization.

725507023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 725507023 is about 26935.2375708847. The cubic root of 725507023 is about 898.5602589621.

The spelling of 725507023 in words is "seven hundred twenty-five million, five hundred seven thousand, twenty-three".