725246205 has 32 divisors (see below), whose sum is σ = 1180478208. Its totient is φ = 380160000.

The previous prime is 725246201. The next prime is 725246219. The reversal of 725246205 is 502642527.

It is not a de Polignac number, because 725246205 - 2² = 725246201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725246201) 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 31 ways as a sum of consecutive naturals, for example, 218055 + ... + 221355.

It is an arithmetic number, because the mean of its divisors is an integer number (36889944).

Almost surely, 2^725246205 is an apocalyptic number.

It is an amenable number.

725246205 is a deficient number, since it is larger than the sum of its proper divisors (455232003).

725246205 is a wasteful number, since it uses less digits than its factorization.

725246205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 725246205 is about 26930.3955596645. The cubic root of 725246205 is about 898.4525693180.

The spelling of 725246205 in words is "seven hundred twenty-five million, two hundred forty-six thousand, two hundred five".