83015291 has 2 divisors, whose sum is σ = 83015292. Its totient is φ = 83015290.

The previous prime is 83015249. The next prime is 83015293. The reversal of 83015291 is 19251038.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83015291 - 2⁶ = 83015227 is a prime.

Together with 83015293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83015293) 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, 41507645 + 41507646.

It is an arithmetic number, because the mean of its divisors is an integer number (41507646).

Almost surely, 2^83015291 is an apocalyptic number.

83015291 is a deficient number, since it is larger than the sum of its proper divisors (1).

83015291 is an equidigital number, since it uses as much as digits as its factorization.

83015291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 83015291 is about 9111.2727431463. The cubic root of 83015291 is about 436.2338528190.

The spelling of 83015291 in words is "eighty-three million, fifteen thousand, two hundred ninety-one".