725255812 has 6 divisors (see below), whose sum is σ = 1269197678. Its totient is φ = 362627904.

The previous prime is 725255767. The next prime is 725255827. The reversal of 725255812 is 218552527.

It can be written as a sum of positive squares in only one way, i.e., 713103616 + 12152196 = 26704^2 + 3486^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90656973 + ... + 90656980.

Almost surely, 2^725255812 is an apocalyptic number.

It is an amenable number.

725255812 is a deficient number, since it is larger than the sum of its proper divisors (543941866).

725255812 is a wasteful number, since it uses less digits than its factorization.

725255812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181313957 (or 181313955 counting only the distinct ones).

The product of its digits is 56000, while the sum is 37.

The square root of 725255812 is about 26930.5739263017. The cubic root of 725255812 is about 898.4565364286.

The spelling of 725255812 in words is "seven hundred twenty-five million, two hundred fifty-five thousand, eight hundred twelve".