265487 has 8 divisors (see below), whose sum is σ = 284400. Its totient is φ = 247104.

The previous prime is 265483. The next prime is 265493. The reversal of 265487 is 784562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265487 - 2² = 265483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265483) 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, 1613 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (35550).

2²⁶⁵⁴⁸⁷ is an apocalyptic number.

265487 is a deficient number, since it is larger than the sum of its proper divisors (18913).

265487 is a wasteful number, since it uses less digits than its factorization.

265487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its digits is 13440, while the sum is 32.

The square root of 265487 is about 515.2543061441. The cubic root of 265487 is about 64.2709057013.

The spelling of 265487 in words is "two hundred sixty-five thousand, four hundred eighty-seven".