263252069 has 2 divisors, whose sum is σ = 263252070. Its totient is φ = 263252068.

The previous prime is 263251981. The next prime is 263252141. The reversal of 263252069 is 960252362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263250625 + 1444 = 16225^2 + 38^2 .

It is a cyclic number.

It is not a de Polignac number, because 263252069 - 2²⁴ = 246474853 is a prime.

It is a super-2 number, since 2×263252069² = 138603303665561522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263257069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131626034 + 131626035.

It is an arithmetic number, because the mean of its divisors is an integer number (131626035).

Almost surely, 2^263252069 is an apocalyptic number.

It is an amenable number.

263252069 is a deficient number, since it is larger than the sum of its proper divisors (1).

263252069 is an equidigital number, since it uses as much as digits as its factorization.

263252069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 263252069 is about 16225.0444991686. The cubic root of 263252069 is about 640.9004812875.

The spelling of 263252069 in words is "two hundred sixty-three million, two hundred fifty-two thousand, sixty-nine".