264774533 has 4 divisors (see below), whose sum is σ = 265537920. Its totient is φ = 264011148.

The previous prime is 264774527. The next prime is 264774539. The reversal of 264774533 is 335477462.

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.

It is an interprime number because it is at equal distance from previous prime (264774527) and next prime (264774539).

It is a cyclic number.

It is not a de Polignac number, because 264774533 - 2⁸ = 264774277 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 (264774539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381173 + ... + 381866.

It is an arithmetic number, because the mean of its divisors is an integer number (66384480).

Almost surely, 2^264774533 is an apocalyptic number.

It is an amenable number.

264774533 is a deficient number, since it is larger than the sum of its proper divisors (763387).

264774533 is an equidigital number, since it uses as much as digits as its factorization.

264774533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763386.

The product of its digits is 423360, while the sum is 41.

The square root of 264774533 is about 16271.8939586024. The cubic root of 264774533 is about 642.1336123599.

The spelling of 264774533 in words is "two hundred sixty-four million, seven hundred seventy-four thousand, five hundred thirty-three".