82901239 has 2 divisors, whose sum is σ = 82901240. Its totient is φ = 82901238.

The previous prime is 82901191. The next prime is 82901249. The reversal of 82901239 is 93210928.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82901239 - 2¹³ = 82893047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82901249) 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, 41450619 + 41450620.

It is an arithmetic number, because the mean of its divisors is an integer number (41450620).

Almost surely, 2^82901239 is an apocalyptic number.

82901239 is a deficient number, since it is larger than the sum of its proper divisors (1).

82901239 is an equidigital number, since it uses as much as digits as its factorization.

82901239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 82901239 is about 9105.0117517771. The cubic root of 82901239 is about 436.0339854411.

The spelling of 82901239 in words is "eighty-two million, nine hundred one thousand, two hundred thirty-nine".