170426253 has 16 divisors (see below), whose sum is σ = 232810496. Its totient is φ = 110859840.

The previous prime is 170426237. The next prime is 170426281. The reversal of 170426253 is 352624071.

It is not a de Polignac number, because 170426253 - 2⁴ = 170426237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 170426253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170426233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19575 + ... + 26907.

It is an arithmetic number, because the mean of its divisors is an integer number (14550656).

Almost surely, 2^170426253 is an apocalyptic number.

It is an amenable number.

170426253 is a deficient number, since it is larger than the sum of its proper divisors (62384243).

170426253 is a wasteful number, since it uses less digits than its factorization.

170426253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 170426253 is about 13054.7406331953. The cubic root of 170426253 is about 554.4284384495.

The spelling of 170426253 in words is "one hundred seventy million, four hundred twenty-six thousand, two hundred fifty-three".