5478817 has 2 divisors, whose sum is σ = 5478818. Its totient is φ = 5478816.

The previous prime is 5478787. The next prime is 5478827. The reversal of 5478817 is 7188745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5400976 + 77841 = 2324^2 + 279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5478817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5478817.

It is not a weakly prime, because it can be changed into another prime (5478827) 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, 2739408 + 2739409.

It is an arithmetic number, because the mean of its divisors is an integer number (2739409).

Almost surely, 2^5478817 is an apocalyptic number.

It is an amenable number.

5478817 is a deficient number, since it is larger than the sum of its proper divisors (1).

5478817 is an equidigital number, since it uses as much as digits as its factorization.

5478817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 40.

The square root of 5478817 is about 2340.6872922285. The cubic root of 5478817 is about 176.2905089391.

The spelling of 5478817 in words is "five million, four hundred seventy-eight thousand, eight hundred seventeen".