263132117 has 2 divisors, whose sum is σ = 263132118. Its totient is φ = 263132116.

The previous prime is 263132113. The next prime is 263132141. The reversal of 263132117 is 711231362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210801361 + 52330756 = 14519^2 + 7234^2 .

It is a cyclic number.

It is not a de Polignac number, because 263132117 - 2² = 263132113 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263132113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131566058 + 131566059.

It is an arithmetic number, because the mean of its divisors is an integer number (131566059).

Almost surely, 2^263132117 is an apocalyptic number.

It is an amenable number.

263132117 is a deficient number, since it is larger than the sum of its proper divisors (1).

263132117 is an equidigital number, since it uses as much as digits as its factorization.

263132117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The square root of 263132117 is about 16221.3475704086. The cubic root of 263132117 is about 640.8031234278.

Adding to 263132117 its reverse (711231362), we get a palindrome (974363479).

The spelling of 263132117 in words is "two hundred sixty-three million, one hundred thirty-two thousand, one hundred seventeen".