2997871 has 2 divisors, whose sum is σ = 2997872. Its totient is φ = 2997870.

The previous prime is 2997859. The next prime is 2997887. The reversal of 2997871 is 1787992.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2997871 - 2¹¹ = 2995823 is a prime.

2997871 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2997811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1498935 + 1498936.

It is an arithmetic number, because the mean of its divisors is an integer number (1498936).

2^2997871 is an apocalyptic number.

2997871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2997871 is an equidigital number, since it uses as much as digits as its factorization.

2997871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 43.

The square root of 2997871 is about 1731.4361091302. The cubic root of 2997871 is about 144.1908317421.

The spelling of 2997871 in words is "two million, nine hundred ninety-seven thousand, eight hundred seventy-one".