265497 has 4 divisors (see below), whose sum is σ = 354000. Its totient is φ = 176996.

The previous prime is 265493. The next prime is 265511. The reversal of 265497 is 794562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 265497 - 2² = 265493 is a prime.

It is a d-powerful number, because it can be written as 2 + 6³ + 4⁹ + 5 + 9³ + 7⁴ .

It is a D-number.

265497 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 265497.

It is not an unprimeable number, because it can be changed into a prime (265493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44247 + ... + 44252.

It is an arithmetic number, because the mean of its divisors is an integer number (88500).

2²⁶⁵⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

265497 is a deficient number, since it is larger than the sum of its proper divisors (88503).

265497 is an equidigital number, since it uses as much as digits as its factorization.

265497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88502.

The product of its digits is 15120, while the sum is 33.

The square root of 265497 is about 515.2640099988. The cubic root of 265497 is about 64.2717126473.

The spelling of 265497 in words is "two hundred sixty-five thousand, four hundred ninety-seven".