265432523 has 4 divisors (see below), whose sum is σ = 265544760. Its totient is φ = 265320288.

The previous prime is 265432513. The next prime is 265432529. The reversal of 265432523 is 325234562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325234562 = 2 ⋅162617281.

It is a cyclic number.

It is not a de Polignac number, because 265432523 - 2²⁰ = 264383947 is a prime.

It is a super-2 number, since 2×265432523² = 140908848532291058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265432523.

It is not an unprimeable number, because it can be changed into a prime (265432529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52493 + ... + 57326.

It is an arithmetic number, because the mean of its divisors is an integer number (66386190).

Almost surely, 2^265432523 is an apocalyptic number.

265432523 is a deficient number, since it is larger than the sum of its proper divisors (112237).

265432523 is a wasteful number, since it uses less digits than its factorization.

265432523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112236.

The product of its digits is 43200, while the sum is 32.

The square root of 265432523 is about 16292.1000181069. The cubic root of 265432523 is about 642.6650934588.

The spelling of 265432523 in words is "two hundred sixty-five million, four hundred thirty-two thousand, five hundred twenty-three".