82537943 has 2 divisors, whose sum is σ = 82537944. Its totient is φ = 82537942.

The previous prime is 82537909. The next prime is 82537951. The reversal of 82537943 is 34973528.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82537943 is a prime.

It is equal to p_4808867 and since 82537943 and 4808867 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82537943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82537963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41268971 + 41268972.

It is an arithmetic number, because the mean of its divisors is an integer number (41268972).

Almost surely, 2^82537943 is an apocalyptic number.

82537943 is a deficient number, since it is larger than the sum of its proper divisors (1).

82537943 is an equidigital number, since it uses as much as digits as its factorization.

82537943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 82537943 is about 9085.0395155993. The cubic root of 82537943 is about 435.3961125233.

The spelling of 82537943 in words is "eighty-two million, five hundred thirty-seven thousand, nine hundred forty-three".