725961 has 8 divisors (see below), whose sum is σ = 984064. Its totient is φ = 475920.

The previous prime is 725953. The next prime is 725981. The reversal of 725961 is 169527.

725961 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 not a de Polignac number, because 725961 - 2³ = 725953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725981) 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, 1801 + ... + 2166.

It is an arithmetic number, because the mean of its divisors is an integer number (123008).

2⁷²⁵⁹⁶¹ is an apocalyptic number.

It is an amenable number.

725961 is a deficient number, since it is larger than the sum of its proper divisors (258103).

725961 is a wasteful number, since it uses less digits than its factorization.

725961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031.

The product of its digits is 3780, while the sum is 30.

The square root of 725961 is about 852.0334500476. The cubic root of 725961 is about 89.8747640854.

The spelling of 725961 in words is "seven hundred twenty-five thousand, nine hundred sixty-one".