264620269 has 2 divisors, whose sum is σ = 264620270. Its totient is φ = 264620268.

The previous prime is 264620261. The next prime is 264620311. The reversal of 264620269 is 962026462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263640169 + 980100 = 16237^2 + 990^2 .

It is a cyclic number.

It is not a de Polignac number, because 264620269 - 2³ = 264620261 is a prime.

It is a super-2 number, since 2×264620269² = 140047773531264722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264620261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132310134 + 132310135.

It is an arithmetic number, because the mean of its divisors is an integer number (132310135).

Almost surely, 2^264620269 is an apocalyptic number.

It is an amenable number.

264620269 is a deficient number, since it is larger than the sum of its proper divisors (1).

264620269 is an equidigital number, since it uses as much as digits as its factorization.

264620269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 264620269 is about 16267.1530699136. The cubic root of 264620269 is about 642.0088806463.

The spelling of 264620269 in words is "two hundred sixty-four million, six hundred twenty thousand, two hundred sixty-nine".