117257532 has 24 divisors (see below), whose sum is σ = 312686976. Its totient is φ = 33502128.

The previous prime is 117257521. The next prime is 117257533. The reversal of 117257532 is 235752711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 117257493 and 117257502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117257533) 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, 697878 + ... + 698045.

It is an arithmetic number, because the mean of its divisors is an integer number (13028624).

Almost surely, 2^117257532 is an apocalyptic number.

117257532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117257532 is an abundant number, since it is smaller than the sum of its proper divisors (195429444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117257532 is a wasteful number, since it uses less digits than its factorization.

117257532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395937 (or 1395935 counting only the distinct ones).

The product of its digits is 14700, while the sum is 33.

The square root of 117257532 is about 10828.5517037137. The cubic root of 117257532 is about 489.4559169823.

The spelling of 117257532 in words is "one hundred seventeen million, two hundred fifty-seven thousand, five hundred thirty-two".