817252 has 12 divisors (see below), whose sum is σ = 1439676. Its totient is φ = 405920.

The previous prime is 817237. The next prime is 817273. The reversal of 817252 is 252718.

It can be written as a sum of positive squares in 2 ways, for example, as 746496 + 70756 = 864^2 + 266^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

817252 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102 + ... + 1282.

It is an arithmetic number, because the mean of its divisors is an integer number (119973).

2⁸¹⁷²⁵² is an apocalyptic number.

It is an amenable number.

817252 is a deficient number, since it is larger than the sum of its proper divisors (622424).

817252 is a wasteful number, since it uses less digits than its factorization.

817252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358 (or 1356 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 817252 is about 904.0199112851. The cubic root of 817252 is about 93.4943422659.

The spelling of 817252 in words is "eight hundred seventeen thousand, two hundred fifty-two".