265490 has 16 divisors (see below), whose sum is σ = 483840. Its totient is φ = 104880.

The previous prime is 265483. The next prime is 265493. The reversal of 265490 is 94562.

It is not an unprimeable number, because it can be changed into a prime (265493) 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, 1295 + ... + 1485.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2²⁶⁵⁴⁹⁰ is an apocalyptic number.

265490 is a deficient number, since it is larger than the sum of its proper divisors (218350).

265490 is a wasteful number, since it uses less digits than its factorization.

265490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 265490 is about 515.2572173197. The cubic root of 265490 is about 64.2711477872.

It can be divided in two parts, 2654 and 90, that added together give a cube (2744 = 14³).

The spelling of 265490 in words is "two hundred sixty-five thousand, four hundred ninety".