725255 has 8 divisors (see below), whose sum is σ = 882672. Its totient is φ = 571968.

The previous prime is 725209. The next prime is 725273. The reversal of 725255 is 552527.

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 725255 - 2¹² = 721159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725255.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629 + ... + 1358.

It is an arithmetic number, because the mean of its divisors is an integer number (110334).

2⁷²⁵²⁵⁵ is an apocalyptic number.

725255 is a deficient number, since it is larger than the sum of its proper divisors (157417).

725255 is a wasteful number, since it uses less digits than its factorization.

725255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065.

The product of its digits is 3500, while the sum is 26.

The square root of 725255 is about 851.6190462877. The cubic root of 725255 is about 89.8456201123.

The spelling of 725255 in words is "seven hundred twenty-five thousand, two hundred fifty-five".