725811452 has 24 divisors (see below), whose sum is σ = 1288284480. Its totient is φ = 357761600.

The previous prime is 725811403. The next prime is 725811467. The reversal of 725811452 is 254118527.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 92798 + ... + 100314.

It is an arithmetic number, because the mean of its divisors is an integer number (53678520).

Almost surely, 2^725811452 is an apocalyptic number.

It is an amenable number.

725811452 is a deficient number, since it is larger than the sum of its proper divisors (562473028).

725811452 is a wasteful number, since it uses less digits than its factorization.

725811452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7861 (or 7859 counting only the distinct ones).

The product of its digits is 22400, while the sum is 35.

The square root of 725811452 is about 26940.8881071133. Note that the first 3 decimals coincide. The cubic root of 725811452 is about 898.6859225970.

Adding to 725811452 its reverse (254118527), we get a palindrome (979929979).

The spelling of 725811452 in words is "seven hundred twenty-five million, eight hundred eleven thousand, four hundred fifty-two".