265190 has 16 divisors (see below), whose sum is σ = 498528. Its totient is φ = 101376.

The previous prime is 265169. The next prime is 265193. The reversal of 265190 is 91562.

It is a super-2 number, since 2×265190² = 140651472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (31158).

2²⁶⁵¹⁹⁰ is an apocalyptic number.

265190 is a deficient number, since it is larger than the sum of its proper divisors (233338).

265190 is a wasteful number, since it uses less digits than its factorization.

265190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 265190 is about 514.9660182964. The cubic root of 265190 is about 64.2469301626.

It can be divided in two parts, 26 and 5190, that multiplied together give a triangular number (134940 = T₅₁₉).

The spelling of 265190 in words is "two hundred sixty-five thousand, one hundred ninety".