252983999 has 4 divisors (see below), whose sum is σ = 257757336. Its totient is φ = 248210664.

The previous prime is 252983989. The next prime is 252984029. The reversal of 252983999 is 999389252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252983999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252983989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386589 + ... + 2386694.

It is an arithmetic number, because the mean of its divisors is an integer number (64439334).

Almost surely, 2^252983999 is an apocalyptic number.

252983999 is a deficient number, since it is larger than the sum of its proper divisors (4773337).

252983999 is an equidigital number, since it uses as much as digits as its factorization.

252983999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773336.

The product of its digits is 3149280, while the sum is 56.

The square root of 252983999 is about 15905.4707255083. The cubic root of 252983999 is about 632.4570205189.

The spelling of 252983999 in words is "two hundred fifty-two million, nine hundred eighty-three thousand, nine hundred ninety-nine".