809252 has 12 divisors (see below), whose sum is σ = 1422960. Its totient is φ = 402696.

The previous prime is 809243. The next prime is 809261. The reversal of 809252 is 252908.

It is an interprime number because it is at equal distance from previous prime (809243) and next prime (809261).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 809252.

It is an unprimeable number.

809252 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, 899 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (118580).

2⁸⁰⁹²⁵² is an apocalyptic number.

It is an amenable number.

809252 is a deficient number, since it is larger than the sum of its proper divisors (613708).

809252 is a wasteful number, since it uses less digits than its factorization.

809252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 809252 is about 899.5843484632. The cubic root of 809252 is about 93.1882723920.

The spelling of 809252 in words is "eight hundred nine thousand, two hundred fifty-two".