725231546 has 16 divisors (see below), whose sum is σ = 1209320448. Its totient is φ = 323924400.

The previous prime is 725231519. The next prime is 725231569. The reversal of 725231546 is 645132527.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 449090 + ... + 450701.

It is an arithmetic number, because the mean of its divisors is an integer number (75582528).

Almost surely, 2^725231546 is an apocalyptic number.

725231546 is a deficient number, since it is larger than the sum of its proper divisors (484088902).

725231546 is a wasteful number, since it uses less digits than its factorization.

725231546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899837.

The product of its digits is 50400, while the sum is 35.

The square root of 725231546 is about 26930.1233937017. The cubic root of 725231546 is about 898.4465159691.

The spelling of 725231546 in words is "seven hundred twenty-five million, two hundred thirty-one thousand, five hundred forty-six".