83631263 has 2 divisors, whose sum is σ = 83631264. Its totient is φ = 83631262.

The previous prime is 83631241. The next prime is 83631269. The reversal of 83631263 is 36213638.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83631263 - 2¹⁸ = 83369119 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83631269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41815631 + 41815632.

It is an arithmetic number, because the mean of its divisors is an integer number (41815632).

Almost surely, 2^83631263 is an apocalyptic number.

83631263 is a deficient number, since it is larger than the sum of its proper divisors (1).

83631263 is an equidigital number, since it uses as much as digits as its factorization.

83631263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 83631263 is about 9145.0130125659. The cubic root of 83631263 is about 437.3101443440.

The spelling of 83631263 in words is "eighty-three million, six hundred thirty-one thousand, two hundred sixty-three".