263214613 has 2 divisors, whose sum is σ = 263214614. Its totient is φ = 263214612.

The previous prime is 263214607. The next prime is 263214631. The reversal of 263214613 is 316412362.

263214613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (263214631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194937444 + 68277169 = 13962^2 + 8263^2 .

It is a cyclic number.

It is not a de Polignac number, because 263214613 - 2⁹ = 263214101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263514613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131607306 + 131607307.

It is an arithmetic number, because the mean of its divisors is an integer number (131607307).

Almost surely, 2^263214613 is an apocalyptic number.

It is an amenable number.

263214613 is a deficient number, since it is larger than the sum of its proper divisors (1).

263214613 is an equidigital number, since it uses as much as digits as its factorization.

263214613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 263214613 is about 16223.8901931688. The cubic root of 263214613 is about 640.8700836701.

Adding to 263214613 its reverse (316412362), we get a palindrome (579626975).

The spelling of 263214613 in words is "two hundred sixty-three million, two hundred fourteen thousand, six hundred thirteen".