264724133 has 4 divisors (see below), whose sum is σ = 265575648. Its totient is φ = 263872620.

The previous prime is 264724127. The next prime is 264724171. The reversal of 264724133 is 331427462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331427462 = 2 ⋅165713731.

It is a cyclic number.

It is not a de Polignac number, because 264724133 - 2²⁰ = 263675557 is a prime.

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 264724133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264724183) 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, 425291 + ... + 425912.

It is an arithmetic number, because the mean of its divisors is an integer number (66393912).

Almost surely, 2^264724133 is an apocalyptic number.

It is an amenable number.

264724133 is a deficient number, since it is larger than the sum of its proper divisors (851515).

264724133 is an equidigital number, since it uses as much as digits as its factorization.

264724133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851514.

The product of its digits is 24192, while the sum is 32.

The square root of 264724133 is about 16270.3452022383. The cubic root of 264724133 is about 642.0928662612.

The spelling of 264724133 in words is "two hundred sixty-four million, seven hundred twenty-four thousand, one hundred thirty-three".