252311205 has 16 divisors (see below), whose sum is σ = 404714304. Its totient is φ = 134227200.

The previous prime is 252311183. The next prime is 252311233. The reversal of 252311205 is 502113252.

It is not a de Polignac number, because 252311205 - 2¹³ = 252303013 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14959 + ... + 26988.

It is an arithmetic number, because the mean of its divisors is an integer number (25294644).

Almost surely, 2^252311205 is an apocalyptic number.

It is an amenable number.

252311205 is a deficient number, since it is larger than the sum of its proper divisors (152403099).

252311205 is a wasteful number, since it uses less digits than its factorization.

252311205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42356.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 252311205 is about 15884.3068781738. The cubic root of 252311205 is about 631.8958637440.

Adding to 252311205 its reverse (502113252), we get a palindrome (754424457).

The spelling of 252311205 in words is "two hundred fifty-two million, three hundred eleven thousand, two hundred five".