264152543 has 4 divisors (see below), whose sum is σ = 264186288. Its totient is φ = 264118800.

The previous prime is 264152533. The next prime is 264152557. The reversal of 264152543 is 345251462.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 345251462 = 2 ⋅172625731.

It is a cyclic number.

It is not a de Polignac number, because 264152543 - 2⁴ = 264152527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264152513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643 + ... + 23043.

It is an arithmetic number, because the mean of its divisors is an integer number (66046572).

Almost surely, 2^264152543 is an apocalyptic number.

264152543 is a deficient number, since it is larger than the sum of its proper divisors (33745).

264152543 is a wasteful number, since it uses less digits than its factorization.

264152543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33744.

The product of its digits is 28800, while the sum is 32.

The square root of 264152543 is about 16252.7703177028. The cubic root of 264152543 is about 641.6303995094.

The spelling of 264152543 in words is "two hundred sixty-four million, one hundred fifty-two thousand, five hundred forty-three".