263792413 has 2 divisors, whose sum is σ = 263792414. Its totient is φ = 263792412.

The previous prime is 263792369. The next prime is 263792443. The reversal of 263792413 is 314297362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214974244 + 48818169 = 14662^2 + 6987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263792413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263792443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131896206 + 131896207.

It is an arithmetic number, because the mean of its divisors is an integer number (131896207).

Almost surely, 2^263792413 is an apocalyptic number.

It is an amenable number.

263792413 is a deficient number, since it is larger than the sum of its proper divisors (1).

263792413 is an equidigital number, since it uses as much as digits as its factorization.

263792413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 263792413 is about 16241.6875046899. The cubic root of 263792413 is about 641.3386798816.

The spelling of 263792413 in words is "two hundred sixty-three million, seven hundred ninety-two thousand, four hundred thirteen".