253131117 has 8 divisors (see below), whose sum is σ = 342262080. Its totient is φ = 166377120.

The previous prime is 253131107. The next prime is 253131119. The reversal of 253131117 is 711131352.

It is a happy number.

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

It is not a de Polignac number, because 253131117 - 2⁴ = 253131101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253131119) 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 7 ways as a sum of consecutive naturals, for example, 593992 + ... + 594417.

It is an arithmetic number, because the mean of its divisors is an integer number (42782760).

Almost surely, 2^253131117 is an apocalyptic number.

It is an amenable number.

253131117 is a deficient number, since it is larger than the sum of its proper divisors (89130963).

253131117 is a wasteful number, since it uses less digits than its factorization.

253131117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188483.

The product of its digits is 630, while the sum is 24.

The square root of 253131117 is about 15910.0948142995. The cubic root of 253131117 is about 632.5795945181.

Adding to 253131117 its reverse (711131352), we get a palindrome (964262469).

The spelling of 253131117 in words is "two hundred fifty-three million, one hundred thirty-one thousand, one hundred seventeen".