320252 has 18 divisors (see below), whose sum is σ = 594888. Its totient is φ = 150568.

The previous prime is 320239. The next prime is 320267. The reversal of 320252 is 252023.

It is a super-2 number, since 2×320252² = 205122687008, which contains 22 as substring.

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 320252.

It is an unprimeable number.

320252 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5399 + ... + 5457.

2³²⁰²⁵² is an apocalyptic number.

It is an amenable number.

320252 is a deficient number, since it is larger than the sum of its proper divisors (274636).

320252 is a wasteful number, since it uses less digits than its factorization.

320252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 320252 is about 565.9081197509. The cubic root of 320252 is about 68.4169879034.

Adding to 320252 its reverse (252023), we get a palindrome (572275).

The spelling of 320252 in words is "three hundred twenty thousand, two hundred fifty-two".