264497671 has 2 divisors, whose sum is σ = 264497672. Its totient is φ = 264497670.

The previous prime is 264497669. The next prime is 264497711. The reversal of 264497671 is 176794462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264497671 - 2¹ = 264497669 is a prime.

Together with 264497669, 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 (264497771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132248835 + 132248836.

It is an arithmetic number, because the mean of its divisors is an integer number (132248836).

Almost surely, 2^264497671 is an apocalyptic number.

264497671 is a deficient number, since it is larger than the sum of its proper divisors (1).

264497671 is an equidigital number, since it uses as much as digits as its factorization.

264497671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 264497671 is about 16263.3843648854. The cubic root of 264497671 is about 641.9097182208.

The spelling of 264497671 in words is "two hundred sixty-four million, four hundred ninety-seven thousand, six hundred seventy-one".