117251564 has 6 divisors (see below), whose sum is σ = 205190244. Its totient is φ = 58625780.

The previous prime is 117251551. The next prime is 117251569. The reversal of 117251564 is 465152711.

It is a self number, because there is not a number n which added to its sum of digits gives 117251564.

It is not an unprimeable number, because it can be changed into a prime (117251569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14656442 + ... + 14656449.

It is an arithmetic number, because the mean of its divisors is an integer number (34198374).

Almost surely, 2^117251564 is an apocalyptic number.

It is an amenable number.

117251564 is a deficient number, since it is larger than the sum of its proper divisors (87938680).

117251564 is a wasteful number, since it uses less digits than its factorization.

117251564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29312895 (or 29312893 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 117251564 is about 10828.2761324229. The cubic root of 117251564 is about 489.4476129743.

The spelling of 117251564 in words is "one hundred seventeen million, two hundred fifty-one thousand, five hundred sixty-four".