725300901 has 12 divisors (see below), whose sum is σ = 1128246028. Its totient is φ = 446338944.

The previous prime is 725300887. The next prime is 725300911. The reversal of 725300901 is 109003527.

It can be written as a sum of positive squares in 2 ways, for example, as 319479876 + 405821025 = 17874^2 + 20145^2 .

It is not a de Polignac number, because 725300901 - 2²² = 721106597 is a prime.

It is a super-2 number, since 2×725300901² = 1052122793982823602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725300911) 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 in 11 ways as a sum of consecutive naturals, for example, 3099460 + ... + 3099693.

Almost surely, 2^725300901 is an apocalyptic number.

It is an amenable number.

725300901 is a deficient number, since it is larger than the sum of its proper divisors (402945127).

725300901 is a wasteful number, since it uses less digits than its factorization.

725300901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199172 (or 6199169 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 725300901 is about 26931.4110473254. The cubic root of 725300901 is about 898.4751549935.

The spelling of 725300901 in words is "seven hundred twenty-five million, three hundred thousand, nine hundred one".