263049013 has 2 divisors, whose sum is σ = 263049014. Its totient is φ = 263049012.

The previous prime is 263049001. The next prime is 263049029. The reversal of 263049013 is 310940362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206152164 + 56896849 = 14358^2 + 7543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263049013 is a prime.

It is equal to p_14353435 and since 263049013 and 14353435 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263049113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131524506 + 131524507.

It is an arithmetic number, because the mean of its divisors is an integer number (131524507).

Almost surely, 2^263049013 is an apocalyptic number.

It is an amenable number.

263049013 is a deficient number, since it is larger than the sum of its proper divisors (1).

263049013 is an equidigital number, since it uses as much as digits as its factorization.

263049013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 263049013 is about 16218.7858053555. The cubic root of 263049013 is about 640.7356555329.

Adding to 263049013 its reverse (310940362), we get a palindrome (573989375).

The spelling of 263049013 in words is "two hundred sixty-three million, forty-nine thousand, thirteen".