117042553 has 2 divisors, whose sum is σ = 117042554. Its totient is φ = 117042552.

The previous prime is 117042511. The next prime is 117042589. The reversal of 117042553 is 355240711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70761744 + 46280809 = 8412^2 + 6803^2 .

It is a cyclic number.

It is not a de Polignac number, because 117042553 - 2¹³ = 117034361 is a prime.

It is not a weakly prime, because it can be changed into another prime (117042353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58521276 + 58521277.

It is an arithmetic number, because the mean of its divisors is an integer number (58521277).

Almost surely, 2^117042553 is an apocalyptic number.

It is an amenable number.

117042553 is a deficient number, since it is larger than the sum of its proper divisors (1).

117042553 is an equidigital number, since it uses as much as digits as its factorization.

117042553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 117042553 is about 10818.6206606942. The cubic root of 117042553 is about 489.1566125021.

The spelling of 117042553 in words is "one hundred seventeen million, forty-two thousand, five hundred fifty-three".