83256631 has 2 divisors, whose sum is σ = 83256632. Its totient is φ = 83256630.

The previous prime is 83256601. The next prime is 83256637. The reversal of 83256631 is 13665238.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83256631 - 2¹¹ = 83254583 is a prime.

It is a super-2 number, since 2×83256631² = 13863333210940322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83256637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41628315 + 41628316.

It is an arithmetic number, because the mean of its divisors is an integer number (41628316).

Almost surely, 2^83256631 is an apocalyptic number.

83256631 is a deficient number, since it is larger than the sum of its proper divisors (1).

83256631 is an equidigital number, since it uses as much as digits as its factorization.

83256631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 83256631 is about 9124.5071647733. The cubic root of 83256631 is about 436.6561799112.

The spelling of 83256631 in words is "eighty-three million, two hundred fifty-six thousand, six hundred thirty-one".