265949 has 8 divisors (see below), whose sum is σ = 287232. Its totient is φ = 245520.

The previous prime is 265921. The next prime is 265957. The reversal of 265949 is 949562.

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

It is a de Polignac number, because none of the positive numbers 2^k-265949 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 6 + 9² + 5⁵ + 4⁹ + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265249) 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, 527 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (35904).

2²⁶⁵⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

265949 is a deficient number, since it is larger than the sum of its proper divisors (21283).

265949 is a wasteful number, since it uses less digits than its factorization.

265949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its digits is 19440, while the sum is 35.

The square root of 265949 is about 515.7024335797. The cubic root of 265949 is about 64.3081654680.

The spelling of 265949 in words is "two hundred sixty-five thousand, nine hundred forty-nine".