252235261 has 4 divisors (see below), whose sum is σ = 252348124. Its totient is φ = 252122400.

The previous prime is 252235259. The next prime is 252235267. The reversal of 252235261 is 162532252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 201469636 + 50765625 = 14194^2 + 7125^2 .

It is a cyclic number.

It is not a de Polignac number, because 252235261 - 2¹ = 252235259 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 (252235267) 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, 53010 + ... + 57571.

It is an arithmetic number, because the mean of its divisors is an integer number (63087031).

Almost surely, 2^252235261 is an apocalyptic number.

It is an amenable number.

252235261 is a deficient number, since it is larger than the sum of its proper divisors (112863).

252235261 is a wasteful number, since it uses less digits than its factorization.

252235261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112862.

The product of its digits is 7200, while the sum is 28.

The square root of 252235261 is about 15881.9161627305. The cubic root of 252235261 is about 631.8324585601.

The spelling of 252235261 in words is "two hundred fifty-two million, two hundred thirty-five thousand, two hundred sixty-one".