252141311 has 4 divisors (see below), whose sum is σ = 252458472. Its totient is φ = 251824152.

The previous prime is 252141271. The next prime is 252141313. The reversal of 252141311 is 113141252.

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

It is a cyclic number.

It is not a de Polignac number, because 252141311 - 2⁶ = 252141247 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 (252141313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157385 + ... + 158978.

It is an arithmetic number, because the mean of its divisors is an integer number (63114618).

Almost surely, 2^252141311 is an apocalyptic number.

252141311 is a deficient number, since it is larger than the sum of its proper divisors (317161).

252141311 is an equidigital number, since it uses as much as digits as its factorization.

252141311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317160.

The product of its digits is 240, while the sum is 20.

The square root of 252141311 is about 15878.9581207332. The cubic root of 252141311 is about 631.7540026630.

Adding to 252141311 its reverse (113141252), we get a palindrome (365282563).

The spelling of 252141311 in words is "two hundred fifty-two million, one hundred forty-one thousand, three hundred eleven".