725394443 has 2 divisors, whose sum is σ = 725394444. Its totient is φ = 725394442.

The previous prime is 725394413. The next prime is 725394469. The reversal of 725394443 is 344493527.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725394443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 725394443.

It is not a weakly prime, because it can be changed into another prime (725394413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362697221 + 362697222.

It is an arithmetic number, because the mean of its divisors is an integer number (362697222).

Almost surely, 2^725394443 is an apocalyptic number.

725394443 is a deficient number, since it is larger than the sum of its proper divisors (1).

725394443 is an equidigital number, since it uses as much as digits as its factorization.

725394443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 41.

The square root of 725394443 is about 26933.1476623138. The cubic root of 725394443 is about 898.5137787564.

The spelling of 725394443 in words is "seven hundred twenty-five million, three hundred ninety-four thousand, four hundred forty-three".