725716559 has 8 divisors (see below), whose sum is σ = 735566832. Its totient is φ = 715892800.

The previous prime is 725716543. The next prime is 725716639. The reversal of 725716559 is 955617527.

725716559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 725716559 - 2⁴ = 725716543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725716529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51947 + ... + 64419.

It is an arithmetic number, because the mean of its divisors is an integer number (91945854).

Almost surely, 2^725716559 is an apocalyptic number.

725716559 is a deficient number, since it is larger than the sum of its proper divisors (9850273).

725716559 is a wasteful number, since it uses less digits than its factorization.

725716559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13257.

The product of its digits is 661500, while the sum is 47.

The square root of 725716559 is about 26939.1269160676. The cubic root of 725716559 is about 898.6467559880.

The spelling of 725716559 in words is "seven hundred twenty-five million, seven hundred sixteen thousand, five hundred fifty-nine".