265898 has 4 divisors (see below), whose sum is σ = 398850. Its totient is φ = 132948.

The previous prime is 265891. The next prime is 265921. The reversal of 265898 is 898562.

265898 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 214369 + 51529 = 463^2 + 227^2 .

It is not an unprimeable number, because it can be changed into a prime (265891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66473 + ... + 66476.

2²⁶⁵⁸⁹⁸ is an apocalyptic number.

265898 is a deficient number, since it is larger than the sum of its proper divisors (132952).

265898 is a wasteful number, since it uses less digits than its factorization.

265898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132951.

The product of its digits is 34560, while the sum is 38.

The square root of 265898 is about 515.6529840891. The cubic root of 265898 is about 64.3040544968.

The spelling of 265898 in words is "two hundred sixty-five thousand, eight hundred ninety-eight".