4201291 has 2 divisors, whose sum is σ = 4201292. Its totient is φ = 4201290.

The previous prime is 4201289. The next prime is 4201303. The reversal of 4201291 is 1921024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4201291 - 2¹ = 4201289 is a prime.

Together with 4201289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4201271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100645 + 2100646.

It is an arithmetic number, because the mean of its divisors is an integer number (2100646).

Almost surely, 2^4201291 is an apocalyptic number.

4201291 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201291 is an equidigital number, since it uses as much as digits as its factorization.

4201291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 4201291 is about 2049.7051007401. The cubic root of 4201291 is about 161.3593941501.

It can be divided in two parts, 420 and 1291, that added together give a triangular number (1711 = T₅₈).

The spelling of 4201291 in words is "four million, two hundred one thousand, two hundred ninety-one".