617225 has 12 divisors (see below), whose sum is σ = 874944. Its totient is φ = 423120.

The previous prime is 617191. The next prime is 617231. The reversal of 617225 is 522716.

It is not a de Polignac number, because 617225 - 2⁶ = 617161 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 617225.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 617225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1589 + ... + 1938.

It is an arithmetic number, because the mean of its divisors is an integer number (72912).

2⁶¹⁷²²⁵ is an apocalyptic number.

It is an amenable number.

617225 is a deficient number, since it is larger than the sum of its proper divisors (257719).

617225 is a wasteful number, since it uses less digits than its factorization.

617225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544 (or 3539 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 617225 is about 785.6366844795. The cubic root of 617225 is about 85.1427819370.

The spelling of 617225 in words is "six hundred seventeen thousand, two hundred twenty-five".