117564253 has 4 divisors (see below), whose sum is σ = 117730780. Its totient is φ = 117397728.

The previous prime is 117564241. The next prime is 117564257. The reversal of 117564253 is 352465711.

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 65983129 + 51581124 = 8123^2 + 7182^2 .

It is a cyclic number.

It is not a de Polignac number, because 117564253 - 2²¹ = 115467101 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 (117564257) 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, 82200 + ... + 83617.

It is an arithmetic number, because the mean of its divisors is an integer number (29432695).

Almost surely, 2^117564253 is an apocalyptic number.

It is an amenable number.

117564253 is a deficient number, since it is larger than the sum of its proper divisors (166527).

117564253 is an equidigital number, since it uses as much as digits as its factorization.

117564253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166526.

The product of its digits is 25200, while the sum is 34.

The square root of 117564253 is about 10842.7050591631. The cubic root of 117564253 is about 489.8823165945.

The spelling of 117564253 in words is "one hundred seventeen million, five hundred sixty-four thousand, two hundred fifty-three".