82497061 has 2 divisors, whose sum is σ = 82497062. Its totient is φ = 82497060.

The previous prime is 82497053. The next prime is 82497089. The reversal of 82497061 is 16079428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45360225 + 37136836 = 6735^2 + 6094^2 .

It is a cyclic number.

It is not a de Polignac number, because 82497061 - 2³ = 82497053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82497061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82497461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41248530 + 41248531.

It is an arithmetic number, because the mean of its divisors is an integer number (41248531).

Almost surely, 2^82497061 is an apocalyptic number.

It is an amenable number.

82497061 is a deficient number, since it is larger than the sum of its proper divisors (1).

82497061 is an equidigital number, since it uses as much as digits as its factorization.

82497061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 82497061 is about 9082.7892742263. The cubic root of 82497061 is about 435.3242150708.

The spelling of 82497061 in words is "eighty-two million, four hundred ninety-seven thousand, sixty-one".