253322131 has 4 divisors (see below), whose sum is σ = 253524600. Its totient is φ = 253119664.

The previous prime is 253322129. The next prime is 253322141. The reversal of 253322131 is 131223352.

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 253322131 - 2¹ = 253322129 is a prime.

It is a super-2 number, since 2×253322131² = 128344204108762322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253322141) 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, 99346 + ... + 101863.

It is an arithmetic number, because the mean of its divisors is an integer number (63381150).

Almost surely, 2^253322131 is an apocalyptic number.

253322131 is a deficient number, since it is larger than the sum of its proper divisors (202469).

253322131 is a wasteful number, since it uses less digits than its factorization.

253322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202468.

The product of its digits is 1080, while the sum is 22.

The square root of 253322131 is about 15916.0966006116. The cubic root of 253322131 is about 632.7386704145.

Adding to 253322131 its reverse (131223352), we get a palindrome (384545483).

The spelling of 253322131 in words is "two hundred fifty-three million, three hundred twenty-two thousand, one hundred thirty-one".