725824452 has 48 divisors (see below), whose sum is σ = 1851075072. Its totient is φ = 220362240.

The previous prime is 725824447. The next prime is 725824457. The reversal of 725824452 is 254428527.

It is an interprime number because it is at equal distance from previous prime (725824447) and next prime (725824457).

It is a super-2 number, since 2×725824452² = 1053642270242200608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 725824452.

It is not an unprimeable number, because it can be changed into a prime (725824457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51063 + ... + 63710.

It is an arithmetic number, because the mean of its divisors is an integer number (38564064).

Almost surely, 2^725824452 is an apocalyptic number.

It is an amenable number.

725824452 is an abundant number, since it is smaller than the sum of its proper divisors (1125250620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725824452 is a wasteful number, since it uses less digits than its factorization.

725824452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114828 (or 114826 counting only the distinct ones).

The product of its digits is 179200, while the sum is 39.

The square root of 725824452 is about 26941.1293749909. The cubic root of 725824452 is about 898.6912880158.

The spelling of 725824452 in words is "seven hundred twenty-five million, eight hundred twenty-four thousand, four hundred fifty-two".