725426539 has 2 divisors, whose sum is σ = 725426540. Its totient is φ = 725426538.

The previous prime is 725426497. The next prime is 725426543. The reversal of 725426539 is 935624527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725426539 - 2⁷ = 725426411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725426495 and 725426504.

It is not a weakly prime, because it can be changed into another prime (725426549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362713269 + 362713270.

It is an arithmetic number, because the mean of its divisors is an integer number (362713270).

Almost surely, 2^725426539 is an apocalyptic number.

725426539 is a deficient number, since it is larger than the sum of its proper divisors (1).

725426539 is an equidigital number, since it uses as much as digits as its factorization.

725426539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 43.

The square root of 725426539 is about 26933.7435014147. The cubic root of 725426539 is about 898.5270305228.

The spelling of 725426539 in words is "seven hundred twenty-five million, four hundred twenty-six thousand, five hundred thirty-nine".