252024161 has 4 divisors (see below), whose sum is σ = 257885232. Its totient is φ = 246163092.

The previous prime is 252024127. The next prime is 252024187. The reversal of 252024161 is 161420252.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252024161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252024191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2930471 + ... + 2930556.

It is an arithmetic number, because the mean of its divisors is an integer number (64471308).

Almost surely, 2^252024161 is an apocalyptic number.

It is an amenable number.

252024161 is a deficient number, since it is larger than the sum of its proper divisors (5861071).

252024161 is an equidigital number, since it uses as much as digits as its factorization.

252024161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861070.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 252024161 is about 15875.2688481172. The cubic root of 252024161 is about 631.6561455708.

The spelling of 252024161 in words is "two hundred fifty-two million, twenty-four thousand, one hundred sixty-one".