682340401 has 2 divisors, whose sum is σ = 682340402. Its totient is φ = 682340400.

The previous prime is 682340363. The next prime is 682340423. The reversal of 682340401 is 104043286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415181376 + 267159025 = 20376^2 + 16345^2 .

It is a cyclic number.

It is not a de Polignac number, because 682340401 - 2¹¹ = 682338353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 682340401.

It is not a weakly prime, because it can be changed into another prime (682340431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341170200 + 341170201.

It is an arithmetic number, because the mean of its divisors is an integer number (341170201).

Almost surely, 2^682340401 is an apocalyptic number.

It is an amenable number.

682340401 is a deficient number, since it is larger than the sum of its proper divisors (1).

682340401 is an equidigital number, since it uses as much as digits as its factorization.

682340401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 682340401 is about 26121.6462153517. The cubic root of 682340401 is about 880.3736365326.

Adding to 682340401 its reverse (104043286), we get a palindrome (786383687).

The spelling of 682340401 in words is "six hundred eighty-two million, three hundred forty thousand, four hundred one".