264527513 has 2 divisors, whose sum is σ = 264527514. Its totient is φ = 264527512.

The previous prime is 264527509. The next prime is 264527539. The reversal of 264527513 is 315725462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133356304 + 131171209 = 11548^2 + 11453^2 .

It is a cyclic number.

It is not a de Polignac number, because 264527513 - 2² = 264527509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (264527563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132263756 + 132263757.

It is an arithmetic number, because the mean of its divisors is an integer number (132263757).

Almost surely, 2^264527513 is an apocalyptic number.

It is an amenable number.

264527513 is a deficient number, since it is larger than the sum of its proper divisors (1).

264527513 is an equidigital number, since it uses as much as digits as its factorization.

264527513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 264527513 is about 16264.3017987247. The cubic root of 264527513 is about 641.9338585083.

The spelling of 264527513 in words is "two hundred sixty-four million, five hundred twenty-seven thousand, five hundred thirteen".