103684457 has 2 divisors, whose sum is σ = 103684458. Its totient is φ = 103684456.

The previous prime is 103684447. The next prime is 103684487. The reversal of 103684457 is 754486301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95961616 + 7722841 = 9796^2 + 2779^2 .

It is a cyclic number.

It is not a de Polignac number, because 103684457 - 2¹⁴ = 103668073 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103684457.

It is not a weakly prime, because it can be changed into another prime (103684447) 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, 51842228 + 51842229.

It is an arithmetic number, because the mean of its divisors is an integer number (51842229).

Almost surely, 2^103684457 is an apocalyptic number.

It is an amenable number.

103684457 is a deficient number, since it is larger than the sum of its proper divisors (1).

103684457 is an equidigital number, since it uses as much as digits as its factorization.

103684457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 103684457 is about 10182.5565061040. The cubic root of 103684457 is about 469.7908485433.

The spelling of 103684457 in words is "one hundred three million, six hundred eighty-four thousand, four hundred fifty-seven".