82398539 has 2 divisors, whose sum is σ = 82398540. Its totient is φ = 82398538.

The previous prime is 82398529. The next prime is 82398559. The reversal of 82398539 is 93589328.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82398539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82398493 and 82398502.

It is not a weakly prime, because it can be changed into another prime (82398529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41199269 + 41199270.

It is an arithmetic number, because the mean of its divisors is an integer number (41199270).

Almost surely, 2^82398539 is an apocalyptic number.

82398539 is a deficient number, since it is larger than the sum of its proper divisors (1).

82398539 is an equidigital number, since it uses as much as digits as its factorization.

82398539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 82398539 is about 9077.3640997814. The cubic root of 82398539 is about 435.1508509270.

The spelling of 82398539 in words is "eighty-two million, three hundred ninety-eight thousand, five hundred thirty-nine".