82637231 has 2 divisors, whose sum is σ = 82637232. Its totient is φ = 82637230.

The previous prime is 82637201. The next prime is 82637279. The reversal of 82637231 is 13273628.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82637231 - 2¹⁴ = 82620847 is a prime.

It is a super-2 number, since 2×82637231² = 13657823894694722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82637201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41318615 + 41318616.

It is an arithmetic number, because the mean of its divisors is an integer number (41318616).

Almost surely, 2^82637231 is an apocalyptic number.

82637231 is a deficient number, since it is larger than the sum of its proper divisors (1).

82637231 is an equidigital number, since it uses as much as digits as its factorization.

82637231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 82637231 is about 9090.5022413506. The cubic root of 82637231 is about 435.5706273587.

The spelling of 82637231 in words is "eighty-two million, six hundred thirty-seven thousand, two hundred thirty-one".