263244953 has 2 divisors, whose sum is σ = 263244954. Its totient is φ = 263244952.

The previous prime is 263244941. The next prime is 263244967. The reversal of 263244953 is 359442362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168922009 + 94322944 = 12997^2 + 9712^2 .

It is a cyclic number.

It is not a de Polignac number, because 263244953 - 2⁴ = 263244937 is a prime.

It is not a weakly prime, because it can be changed into another prime (263247953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131622476 + 131622477.

It is an arithmetic number, because the mean of its divisors is an integer number (131622477).

Almost surely, 2^263244953 is an apocalyptic number.

It is an amenable number.

263244953 is a deficient number, since it is larger than the sum of its proper divisors (1).

263244953 is an equidigital number, since it uses as much as digits as its factorization.

263244953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 38.

The square root of 263244953 is about 16224.8252070708. The cubic root of 263244953 is about 640.8947064814.

The spelling of 263244953 in words is "two hundred sixty-three million, two hundred forty-four thousand, nine hundred fifty-three".