170252231 has 2 divisors, whose sum is σ = 170252232. Its totient is φ = 170252230.

The previous prime is 170252221. The next prime is 170252239. The reversal of 170252231 is 132252071.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 170252231 - 2¹⁴ = 170235847 is a prime.

It is a super-2 number, since 2×170252231² = 57971644320954722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 170252197 and 170252206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170252239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85126115 + 85126116.

It is an arithmetic number, because the mean of its divisors is an integer number (85126116).

Almost surely, 2^170252231 is an apocalyptic number.

170252231 is a deficient number, since it is larger than the sum of its proper divisors (1).

170252231 is an equidigital number, since it uses as much as digits as its factorization.

170252231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 170252231 is about 13048.0738425256. The cubic root of 170252231 is about 554.2396654912.

The spelling of 170252231 in words is "one hundred seventy million, two hundred fifty-two thousand, two hundred thirty-one".