117288553 has 2 divisors, whose sum is σ = 117288554. Its totient is φ = 117288552.

The previous prime is 117288551. The next prime is 117288571. The reversal of 117288553 is 355882711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110923024 + 6365529 = 10532^2 + 2523^2 .

It is a cyclic number.

It is not a de Polignac number, because 117288553 - 2¹ = 117288551 is a prime.

It is a super-5 number, since 5×117288553⁵ (a number of 42 digits) contains 55555 as substring.

Together with 117288551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117288551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58644276 + 58644277.

It is an arithmetic number, because the mean of its divisors is an integer number (58644277).

Almost surely, 2^117288553 is an apocalyptic number.

It is an amenable number.

117288553 is a deficient number, since it is larger than the sum of its proper divisors (1).

117288553 is an equidigital number, since it uses as much as digits as its factorization.

117288553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 40.

The square root of 117288553 is about 10829.9839796742. The cubic root of 117288553 is about 489.4990757543.

The spelling of 117288553 in words is "one hundred seventeen million, two hundred eighty-eight thousand, five hundred fifty-three".