725420217059 has 2 divisors, whose sum is σ = 725420217060. Its totient is φ = 725420217058.

The previous prime is 725420217017. The next prime is 725420217157. The reversal of 725420217059 is 950712024527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725420217059 - 2²⁰ = 725419168483 is a prime.

It is not a weakly prime, because it can be changed into another prime (725420211059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362710108529 + 362710108530.

It is an arithmetic number, because the mean of its divisors is an integer number (362710108530).

Almost surely, 2^725420217059 is an apocalyptic number.

725420217059 is a deficient number, since it is larger than the sum of its proper divisors (1).

725420217059 is an equidigital number, since it uses as much as digits as its factorization.

725420217059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 725420217059 in words is "seven hundred twenty-five billion, four hundred twenty million, two hundred seventeen thousand, fifty-nine".