117900253 has 4 divisors (see below), whose sum is σ = 124835580. Its totient is φ = 110964928.

The previous prime is 117900247. The next prime is 117900269. The reversal of 117900253 is 352009711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352009711 = 61 ⋅5770651.

It can be written as a sum of positive squares in 2 ways, for example, as 85433049 + 32467204 = 9243^2 + 5698^2 .

It is a cyclic number.

It is not a de Polignac number, because 117900253 - 2¹⁷ = 117769181 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 (117900203) 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, 3467638 + ... + 3467671.

It is an arithmetic number, because the mean of its divisors is an integer number (31208895).

Almost surely, 2^117900253 is an apocalyptic number.

It is an amenable number.

117900253 is a deficient number, since it is larger than the sum of its proper divisors (6935327).

117900253 is an equidigital number, since it uses as much as digits as its factorization.

117900253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935326.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 117900253 is about 10858.1882927126. The cubic root of 117900253 is about 490.3485691406.

Adding to 117900253 its reverse (352009711), we get a palindrome (469909964).

The spelling of 117900253 in words is "one hundred seventeen million, nine hundred thousand, two hundred fifty-three".