725160565 has 16 divisors (see below), whose sum is σ = 876061296. Its totient is φ = 576230400.

The previous prime is 725160547. The next prime is 725160571. The reversal of 725160565 is 565061527.

725160565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 48692484 + 676468081 = 6978^2 + 26009^2 .

It is not a de Polignac number, because 725160565 - 2⁵ = 725160533 is a prime.

It is a super-2 number, since 2×725160565² = 1051715690062238450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882855 + ... + 883675.

It is an arithmetic number, because the mean of its divisors is an integer number (54753831).

Almost surely, 2^725160565 is an apocalyptic number.

It is an amenable number.

725160565 is a deficient number, since it is larger than the sum of its proper divisors (150900731).

725160565 is a wasteful number, since it uses less digits than its factorization.

725160565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 725160565 is about 26928.8054878043. The cubic root of 725160565 is about 898.4172036237.

The spelling of 725160565 in words is "seven hundred twenty-five million, one hundred sixty thousand, five hundred sixty-five".