264894533 has 2 divisors, whose sum is σ = 264894534. Its totient is φ = 264894532.

The previous prime is 264894517. The next prime is 264894541. The reversal of 264894533 is 335498462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153338689 + 111555844 = 12383^2 + 10562^2 .

It is a cyclic number.

It is not a de Polignac number, because 264894533 - 2⁴ = 264894517 is a prime.

It is a super-2 number, since 2×264894533² = 140338227226576178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264894503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132447266 + 132447267.

It is an arithmetic number, because the mean of its divisors is an integer number (132447267).

Almost surely, 2^264894533 is an apocalyptic number.

It is an amenable number.

264894533 is a deficient number, since it is larger than the sum of its proper divisors (1).

264894533 is an equidigital number, since it uses as much as digits as its factorization.

264894533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 44.

The square root of 264894533 is about 16275.5808805707. The cubic root of 264894533 is about 642.2306060732.

The spelling of 264894533 in words is "two hundred sixty-four million, eight hundred ninety-four thousand, five hundred thirty-three".