264194267 has 2 divisors, whose sum is σ = 264194268. Its totient is φ = 264194266.

The previous prime is 264194257. The next prime is 264194269. The reversal of 264194267 is 762491462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264194267 - 2⁴ = 264194251 is a prime.

It is a super-2 number, since 2×264194267² = 139597221431334578, which contains 22 as substring.

Together with 264194269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264194269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132097133 + 132097134.

It is an arithmetic number, because the mean of its divisors is an integer number (132097134).

Almost surely, 2^264194267 is an apocalyptic number.

264194267 is a deficient number, since it is larger than the sum of its proper divisors (1).

264194267 is an equidigital number, since it uses as much as digits as its factorization.

264194267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 264194267 is about 16254.0538635751. The cubic root of 264194267 is about 641.6641804667.

The spelling of 264194267 in words is "two hundred sixty-four million, one hundred ninety-four thousand, two hundred sixty-seven".