265098 has 32 divisors (see below), whose sum is σ = 590976. Its totient is φ = 78848.

The previous prime is 265093. The next prime is 265117. The reversal of 265098 is 890562.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁰ + 6⁴ + 0 + 5⁴ + 9 + 8⁶ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (265091) 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 15 ways as a sum of consecutive naturals, for example, 2290 + ... + 2402.

It is an arithmetic number, because the mean of its divisors is an integer number (18468).

2²⁶⁵⁰⁹⁸ is an apocalyptic number.

265098 is an abundant number, since it is smaller than the sum of its proper divisors (325878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265098 is a wasteful number, since it uses less digits than its factorization.

265098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 265098 is about 514.8766842653. The cubic root of 265098 is about 64.2394997653.

The spelling of 265098 in words is "two hundred sixty-five thousand, ninety-eight".