82528291 has 2 divisors, whose sum is σ = 82528292. Its totient is φ = 82528290.

The previous prime is 82528253. The next prime is 82528333. The reversal of 82528291 is 19282528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82528291 - 2¹⁹ = 82004003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82528291.

It is not a weakly prime, because it can be changed into another prime (82528891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41264145 + 41264146.

It is an arithmetic number, because the mean of its divisors is an integer number (41264146).

Almost surely, 2^82528291 is an apocalyptic number.

82528291 is a deficient number, since it is larger than the sum of its proper divisors (1).

82528291 is an equidigital number, since it uses as much as digits as its factorization.

82528291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 37.

The square root of 82528291 is about 9084.5082970957. The cubic root of 82528291 is about 435.3791400984.

The spelling of 82528291 in words is "eighty-two million, five hundred twenty-eight thousand, two hundred ninety-one".