252164271 has 4 divisors (see below), whose sum is σ = 336219032. Its totient is φ = 168109512.

The previous prime is 252164233. The next prime is 252164273. The reversal of 252164271 is 172461252.

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

It is not a de Polignac number, because 252164271 - 2¹¹ = 252162223 is a prime.

It is a super-2 number, since 2×252164271² = 127173639137922882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252164273) 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, 42027376 + ... + 42027381.

It is an arithmetic number, because the mean of its divisors is an integer number (84054758).

Almost surely, 2^252164271 is an apocalyptic number.

252164271 is a deficient number, since it is larger than the sum of its proper divisors (84054761).

252164271 is an equidigital number, since it uses as much as digits as its factorization.

252164271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84054760.

The product of its digits is 6720, while the sum is 30.

The square root of 252164271 is about 15879.6810736236. The cubic root of 252164271 is about 631.7731779310.

The spelling of 252164271 in words is "two hundred fifty-two million, one hundred sixty-four thousand, two hundred seventy-one".