5166401 has 2 divisors, whose sum is σ = 5166402. Its totient is φ = 5166400.

The previous prime is 5166391. The next prime is 5166443. The reversal of 5166401 is 1046615.

5166401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 1324801 = 1960^2 + 1151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5166401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5166481) 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, 2583200 + 2583201.

It is an arithmetic number, because the mean of its divisors is an integer number (2583201).

Almost surely, 2^5166401 is an apocalyptic number.

It is an amenable number.

5166401 is a deficient number, since it is larger than the sum of its proper divisors (1).

5166401 is an equidigital number, since it uses as much as digits as its factorization.

5166401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 5166401 is about 2272.9718432044. The cubic root of 5166401 is about 172.8738764654.

The spelling of 5166401 in words is "five million, one hundred sixty-six thousand, four hundred one".