117352251 has 12 divisors (see below), whose sum is σ = 170648400. Its totient is φ = 77708880.

The previous prime is 117352243. The next prime is 117352259. The reversal of 117352251 is 152253711.

It is an interprime number because it is at equal distance from previous prime (117352243) and next prime (117352259).

It is not a de Polignac number, because 117352251 - 2³ = 117352243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117352259) 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 in 11 ways as a sum of consecutive naturals, for example, 42415 + ... + 45096.

It is an arithmetic number, because the mean of its divisors is an integer number (14220700).

Almost surely, 2^117352251 is an apocalyptic number.

117352251 is a deficient number, since it is larger than the sum of its proper divisors (53296149).

117352251 is a wasteful number, since it uses less digits than its factorization.

117352251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87666 (or 87663 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 117352251 is about 10832.9243974100. The cubic root of 117352251 is about 489.5876734009.

The spelling of 117352251 in words is "one hundred seventeen million, three hundred fifty-two thousand, two hundred fifty-one".