4971851 has 2 divisors, whose sum is σ = 4971852. Its totient is φ = 4971850.

The previous prime is 4971839. The next prime is 4971859. The reversal of 4971851 is 1581794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4971851 - 2¹⁰ = 4970827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4971859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485925 + 2485926.

It is an arithmetic number, because the mean of its divisors is an integer number (2485926).

Almost surely, 2^4971851 is an apocalyptic number.

4971851 is a deficient number, since it is larger than the sum of its proper divisors (1).

4971851 is an equidigital number, since it uses as much as digits as its factorization.

4971851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 35.

The square root of 4971851 is about 2229.7647858014. The cubic root of 4971851 is about 170.6760965011.

The spelling of 4971851 in words is "four million, nine hundred seventy-one thousand, eight hundred fifty-one".