82743413 has 2 divisors, whose sum is σ = 82743414. Its totient is φ = 82743412.

The previous prime is 82743407. The next prime is 82743469. The reversal of 82743413 is 31434728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77757124 + 4986289 = 8818^2 + 2233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82743413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82743413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82743013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41371706 + 41371707.

It is an arithmetic number, because the mean of its divisors is an integer number (41371707).

Almost surely, 2^82743413 is an apocalyptic number.

It is an amenable number.

82743413 is a deficient number, since it is larger than the sum of its proper divisors (1).

82743413 is an equidigital number, since it uses as much as digits as its factorization.

82743413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 82743413 is about 9096.3406378609. The cubic root of 82743413 is about 435.7571049100.

The spelling of 82743413 in words is "eighty-two million, seven hundred forty-three thousand, four hundred thirteen".