725300899 has 4 divisors (see below), whose sum is σ = 744903664. Its totient is φ = 705698136.

The previous prime is 725300887. The next prime is 725300911. The reversal of 725300899 is 998003527.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998003527 = 2689 ⋅371143.

It is an interprime number because it is at equal distance from previous prime (725300887) and next prime (725300911).

It is a cyclic number.

It is not a de Polignac number, because 725300899 - 2¹¹ = 725298851 is a prime.

It is a super-2 number, since 2×725300899² = 1052122788180416402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725300839) 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 3 ways as a sum of consecutive naturals, for example, 9801327 + ... + 9801400.

It is an arithmetic number, because the mean of its divisors is an integer number (186225916).

Almost surely, 2^725300899 is an apocalyptic number.

725300899 is a deficient number, since it is larger than the sum of its proper divisors (19602765).

725300899 is a wasteful number, since it uses less digits than its factorization.

725300899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19602764.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 725300899 is about 26931.4110101940. The cubic root of 725300899 is about 898.4751541677.

The spelling of 725300899 in words is "seven hundred twenty-five million, three hundred thousand, eight hundred ninety-nine".