682172563 has 2 divisors, whose sum is σ = 682172564. Its totient is φ = 682172562.

The previous prime is 682172551. The next prime is 682172567. The reversal of 682172563 is 365271286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 682172563 - 2¹⁷ = 682041491 is a prime.

It is not a weakly prime, because it can be changed into another prime (682172567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341086281 + 341086282.

It is an arithmetic number, because the mean of its divisors is an integer number (341086282).

Almost surely, 2^682172563 is an apocalyptic number.

682172563 is a deficient number, since it is larger than the sum of its proper divisors (1).

682172563 is an equidigital number, since it uses as much as digits as its factorization.

682172563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 682172563 is about 26118.4333948267. The cubic root of 682172563 is about 880.3014476042.

The spelling of 682172563 in words is "six hundred eighty-two million, one hundred seventy-two thousand, five hundred sixty-three".