4971859 has 2 divisors, whose sum is σ = 4971860. Its totient is φ = 4971858.

The previous prime is 4971851. The next prime is 4971881. The reversal of 4971859 is 9581794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4971859 - 2³ = 4971851 is a prime.

It is not a weakly prime, because it can be changed into another prime (4971851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485929 + 2485930.

It is an arithmetic number, because the mean of its divisors is an integer number (2485930).

Almost surely, 2^4971859 is an apocalyptic number.

4971859 is a deficient number, since it is larger than the sum of its proper divisors (1).

4971859 is an equidigital number, since it uses as much as digits as its factorization.

4971859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 43.

The square root of 4971859 is about 2229.7665797119. The cubic root of 4971859 is about 170.6761880437.

The spelling of 4971859 in words is "four million, nine hundred seventy-one thousand, eight hundred fifty-nine".