263514089 has 2 divisors, whose sum is σ = 263514090. Its totient is φ = 263514088.

The previous prime is 263514071. The next prime is 263514091. The reversal of 263514089 is 980415362.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254562025 + 8952064 = 15955^2 + 2992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263514089 is a prime.

Together with 263514091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (263514049) 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, 131757044 + 131757045.

It is an arithmetic number, because the mean of its divisors is an integer number (131757045).

Almost surely, 2^263514089 is an apocalyptic number.

It is an amenable number.

263514089 is a deficient number, since it is larger than the sum of its proper divisors (1).

263514089 is an equidigital number, since it uses as much as digits as its factorization.

263514089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 263514089 is about 16233.1170451026. The cubic root of 263514089 is about 641.1130444293.

The spelling of 263514089 in words is "two hundred sixty-three million, five hundred fourteen thousand, eighty-nine".