265170 has 16 divisors (see below), whose sum is σ = 636480. Its totient is φ = 70704.

The previous prime is 265169. The next prime is 265193. The reversal of 265170 is 71562.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 265170.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4390 + ... + 4449.

It is an arithmetic number, because the mean of its divisors is an integer number (39780).

2²⁶⁵¹⁷⁰ is an apocalyptic number.

265170 is an abundant number, since it is smaller than the sum of its proper divisors (371310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265170 is a wasteful number, since it uses less digits than its factorization.

265170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8849.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 265170 is about 514.9465991732. The cubic root of 265170 is about 64.2453150051.

It can be divided in two parts, 265 and 170, that added together give a triangular number (435 = T₂₉).

The spelling of 265170 in words is "two hundred sixty-five thousand, one hundred seventy".