264254533 has 2 divisors, whose sum is σ = 264254534. Its totient is φ = 264254532.

The previous prime is 264254531. The next prime is 264254561. The reversal of 264254533 is 335452462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255296484 + 8958049 = 15978^2 + 2993^2 .

It is a cyclic number.

It is not a de Polignac number, because 264254533 - 2¹ = 264254531 is a prime.

It is a super-2 number, since 2×264254533² = 139660916422096178, which contains 22 as substring.

Together with 264254531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264254531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132127266 + 132127267.

It is an arithmetic number, because the mean of its divisors is an integer number (132127267).

Almost surely, 2^264254533 is an apocalyptic number.

It is an amenable number.

264254533 is a deficient number, since it is larger than the sum of its proper divisors (1).

264254533 is an equidigital number, since it uses as much as digits as its factorization.

264254533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 34.

The square root of 264254533 is about 16255.9076338419. The cubic root of 264254533 is about 641.7129672855.

It can be divided in two parts, 2642 and 54533, that added together give a palindrome (57175).

The spelling of 264254533 in words is "two hundred sixty-four million, two hundred fifty-four thousand, five hundred thirty-three".