117604651 has 2 divisors, whose sum is σ = 117604652. Its totient is φ = 117604650.

The previous prime is 117604649. The next prime is 117604709. The reversal of 117604651 is 156406711.

It is a weak prime.

It is an emirp because it is prime and its reverse (156406711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117604651 - 2¹ = 117604649 is a prime.

Together with 117604649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117604601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58802325 + 58802326.

It is an arithmetic number, because the mean of its divisors is an integer number (58802326).

Almost surely, 2^117604651 is an apocalyptic number.

117604651 is a deficient number, since it is larger than the sum of its proper divisors (1).

117604651 is an equidigital number, since it uses as much as digits as its factorization.

117604651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 117604651 is about 10844.5678106599. The cubic root of 117604651 is about 489.9384220828.

The spelling of 117604651 in words is "one hundred seventeen million, six hundred four thousand, six hundred fifty-one".