83246381 has 2 divisors, whose sum is σ = 83246382. Its totient is φ = 83246380.

The previous prime is 83246369. The next prime is 83246413. The reversal of 83246381 is 18364238.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76825225 + 6421156 = 8765^2 + 2534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83246381 is a prime.

It is a super-2 number, since 2×83246381² = 13859919899194322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83246081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41623190 + 41623191.

It is an arithmetic number, because the mean of its divisors is an integer number (41623191).

Almost surely, 2^83246381 is an apocalyptic number.

It is an amenable number.

83246381 is a deficient number, since it is larger than the sum of its proper divisors (1).

83246381 is an equidigital number, since it uses as much as digits as its factorization.

83246381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 83246381 is about 9123.9454733136. The cubic root of 83246381 is about 436.6382597789.

The spelling of 83246381 in words is "eighty-three million, two hundred forty-six thousand, three hundred eighty-one".