117475489 has 2 divisors, whose sum is σ = 117475490. Its totient is φ = 117475488.

The previous prime is 117475487. The next prime is 117475493. The reversal of 117475489 is 984574711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111999889 + 5475600 = 10583^2 + 2340^2 .

It is a cyclic number.

It is not a de Polignac number, because 117475489 - 2¹ = 117475487 is a prime.

Together with 117475487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117475483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58737744 + 58737745.

It is an arithmetic number, because the mean of its divisors is an integer number (58737745).

Almost surely, 2^117475489 is an apocalyptic number.

It is an amenable number.

117475489 is a deficient number, since it is larger than the sum of its proper divisors (1).

117475489 is an equidigital number, since it uses as much as digits as its factorization.

117475489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 46.

The square root of 117475489 is about 10838.6110272488. The cubic root of 117475489 is about 489.7589943509.

The spelling of 117475489 in words is "one hundred seventeen million, four hundred seventy-five thousand, four hundred eighty-nine".