725548925 has 12 divisors (see below), whose sum is σ = 900403680. Its totient is φ = 579972720.

The previous prime is 725548919. The next prime is 725548927. The reversal of 725548925 is 529845527.

It is a happy number.

It is not a de Polignac number, because 725548925 - 2¹² = 725544829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 725548925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725548927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21974 + ... + 43976.

It is an arithmetic number, because the mean of its divisors is an integer number (75033640).

Almost surely, 2^725548925 is an apocalyptic number.

It is an amenable number.

725548925 is a deficient number, since it is larger than the sum of its proper divisors (174854755).

725548925 is a wasteful number, since it uses less digits than its factorization.

725548925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23332 (or 23327 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 47.

The square root of 725548925 is about 26936.0153883235. The cubic root of 725548925 is about 898.5775575528.

The spelling of 725548925 in words is "seven hundred twenty-five million, five hundred forty-eight thousand, nine hundred twenty-five".