252522311 has 8 divisors (see below), whose sum is σ = 261241344. Its totient is φ = 243839160.

The previous prime is 252522287. The next prime is 252522317. The reversal of 252522311 is 113225252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252522311 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 (252522317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5756 + ... + 23198.

It is an arithmetic number, because the mean of its divisors is an integer number (32655168).

Almost surely, 2^252522311 is an apocalyptic number.

252522311 is a deficient number, since it is larger than the sum of its proper divisors (8719033).

252522311 is a wasteful number, since it uses less digits than its factorization.

252522311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17941.

The product of its digits is 1200, while the sum is 23.

The square root of 252522311 is about 15890.9506008923. The cubic root of 252522311 is about 632.0720480472.

Adding to 252522311 its reverse (113225252), we get a palindrome (365747563).

The spelling of 252522311 in words is "two hundred fifty-two million, five hundred twenty-two thousand, three hundred eleven".