5166001 has 2 divisors, whose sum is σ = 5166002. Its totient is φ = 5166000.

The previous prime is 5165999. The next prime is 5166013. The reversal of 5166001 is 1006615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3783025 + 1382976 = 1945^2 + 1176^2 .

It is a cyclic number.

It is not a de Polignac number, because 5166001 - 2¹ = 5165999 is a prime.

Together with 5165999, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5166001.

It is not a weakly prime, because it can be changed into another prime (5166061) 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, 2583000 + 2583001.

It is an arithmetic number, because the mean of its divisors is an integer number (2583001).

Almost surely, 2^5166001 is an apocalyptic number.

It is an amenable number.

5166001 is a deficient number, since it is larger than the sum of its proper divisors (1).

5166001 is an equidigital number, since it uses as much as digits as its factorization.

5166001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 5166001 is about 2272.8838509700. The cubic root of 5166001 is about 172.8694148595.

The spelling of 5166001 in words is "five million, one hundred sixty-six thousand, one".