265383 has 8 divisors (see below), whose sum is σ = 393200. Its totient is φ = 176904.

The previous prime is 265381. The next prime is 265399. The reversal of 265383 is 383562.

265383 = T₃₇ + T₃₈ + ... + T₁₁₇.

265383 is a `hidden beast` number, since 2 + 653 + 8 + 3 = 666.

It is not a de Polignac number, because 265383 - 2¹ = 265381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 9829 = 265383 / (2 + 6 + 5 + 3 + 8 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265381) 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, 4888 + ... + 4941.

It is an arithmetic number, because the mean of its divisors is an integer number (49150).

2²⁶⁵³⁸³ is an apocalyptic number.

265383 is a deficient number, since it is larger than the sum of its proper divisors (127817).

265383 is an equidigital number, since it uses as much as digits as its factorization.

265383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9838 (or 9832 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 265383 is about 515.1533752195. The cubic root of 265383 is about 64.2625122618.

Subtracting from 265383 its sum of digits (27), we obtain a triangular number (265356 = T₇₂₈).

The spelling of 265383 in words is "two hundred sixty-five thousand, three hundred eighty-three".