82645357 has 2 divisors, whose sum is σ = 82645358. Its totient is φ = 82645356.

The previous prime is 82645351. The next prime is 82645363. The reversal of 82645357 is 75354628.

It is a balanced prime because it is at equal distance from previous prime (82645351) and next prime (82645363).

It can be written as a sum of positive squares in only one way, i.e., 75707401 + 6937956 = 8701^2 + 2634^2 .

It is a cyclic number.

It is not a de Polignac number, because 82645357 - 2⁷ = 82645229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82645351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41322678 + 41322679.

It is an arithmetic number, because the mean of its divisors is an integer number (41322679).

Almost surely, 2^82645357 is an apocalyptic number.

It is an amenable number.

82645357 is a deficient number, since it is larger than the sum of its proper divisors (1).

82645357 is an equidigital number, since it uses as much as digits as its factorization.

82645357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 40.

The square root of 82645357 is about 9090.9491803662. The cubic root of 82645357 is about 435.5849039379.

The spelling of 82645357 in words is "eighty-two million, six hundred forty-five thousand, three hundred fifty-seven".