265525 has 24 divisors (see below), whose sum is σ = 381920. Its totient is φ = 181440.

The previous prime is 265513. The next prime is 265541. The reversal of 265525 is 525562.

It is not a de Polignac number, because 265525 - 2⁵ = 265493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁷ + 6 + 5³ + 5³ + 2¹⁷ + 5⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 265525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6154 + ... + 6196.

2²⁶⁵⁵²⁵ is an apocalyptic number.

265525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265525 is a deficient number, since it is larger than the sum of its proper divisors (116395).

265525 is a wasteful number, since it uses less digits than its factorization.

265525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 80 counting only the distinct ones).

The product of its digits is 3000, while the sum is 25.

The square root of 265525 is about 515.2911798197. The cubic root of 265525 is about 64.2739719882.

The spelling of 265525 in words is "two hundred sixty-five thousand, five hundred twenty-five".