117057217 has 2 divisors, whose sum is σ = 117057218. Its totient is φ = 117057216.

The previous prime is 117057211. The next prime is 117057221. The reversal of 117057217 is 712750711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90801841 + 26255376 = 9529^2 + 5124^2 .

It is a cyclic number.

It is not a de Polignac number, because 117057217 - 2¹⁹ = 116532929 is a prime.

It is equal to p_6683512 and since 117057217 and 6683512 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (117057211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58528608 + 58528609.

It is an arithmetic number, because the mean of its divisors is an integer number (58528609).

Almost surely, 2^117057217 is an apocalyptic number.

It is an amenable number.

117057217 is a deficient number, since it is larger than the sum of its proper divisors (1).

117057217 is an equidigital number, since it uses as much as digits as its factorization.

117057217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3430, while the sum is 31.

The square root of 117057217 is about 10819.2983598753. The cubic root of 117057217 is about 489.1770400954.

The spelling of 117057217 in words is "one hundred seventeen million, fifty-seven thousand, two hundred seventeen".