4871491 has 2 divisors, whose sum is σ = 4871492. Its totient is φ = 4871490.

The previous prime is 4871479. The next prime is 4871527. The reversal of 4871491 is 1941784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4871491 - 2⁵ = 4871459 is a prime.

It is not a weakly prime, because it can be changed into another prime (4871431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435745 + 2435746.

It is an arithmetic number, because the mean of its divisors is an integer number (2435746).

Almost surely, 2^4871491 is an apocalyptic number.

4871491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4871491 is an equidigital number, since it uses as much as digits as its factorization.

4871491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 4871491 is about 2207.1454415149. The cubic root of 4871491 is about 169.5198794422.

The spelling of 4871491 in words is "four million, eight hundred seventy-one thousand, four hundred ninety-one".