264378113 has 2 divisors, whose sum is σ = 264378114. Its totient is φ = 264378112.

The previous prime is 264378091. The next prime is 264378131. The reversal of 264378113 is 311873462.

Together with next prime (264378131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259306609 + 5071504 = 16103^2 + 2252^2 .

It is a cyclic number.

It is not a de Polignac number, because 264378113 - 2²⁰ = 263329537 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 (264378133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132189056 + 132189057.

It is an arithmetic number, because the mean of its divisors is an integer number (132189057).

Almost surely, 2^264378113 is an apocalyptic number.

It is an amenable number.

264378113 is a deficient number, since it is larger than the sum of its proper divisors (1).

264378113 is an equidigital number, since it uses as much as digits as its factorization.

264378113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 264378113 is about 16259.7082692157. The cubic root of 264378113 is about 641.8129851593.

The spelling of 264378113 in words is "two hundred sixty-four million, three hundred seventy-eight thousand, one hundred thirteen".