725589147 has 4 divisors (see below), whose sum is σ = 967452200. Its totient is φ = 483726096.

The previous prime is 725589113. The next prime is 725589169. The reversal of 725589147 is 741985527.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 725589147 - 2¹² = 725585051 is a prime.

It is a super-2 number, since 2×725589147² = 1052959220488375218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 725589096 and 725589105.

It is not an unprimeable number, because it can be changed into a prime (725589047) 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 in 3 ways as a sum of consecutive naturals, for example, 120931522 + ... + 120931527.

It is an arithmetic number, because the mean of its divisors is an integer number (241863050).

Almost surely, 2^725589147 is an apocalyptic number.

725589147 is a deficient number, since it is larger than the sum of its proper divisors (241863053).

725589147 is a wasteful number, since it uses less digits than its factorization.

725589147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241863052.

The product of its digits is 705600, while the sum is 48.

The square root of 725589147 is about 26936.7619991713. The cubic root of 725589147 is about 898.5941619551.

The spelling of 725589147 in words is "seven hundred twenty-five million, five hundred eighty-nine thousand, one hundred forty-seven".