4208131 has 2 divisors, whose sum is σ = 4208132. Its totient is φ = 4208130.

The previous prime is 4208123. The next prime is 4208143. The reversal of 4208131 is 1318024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4208131 - 2³ = 4208123 is a prime.

It is a super-2 number, since 2×4208131² = 35416733026322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4208099 and 4208108.

It is not a weakly prime, because it can be changed into another prime (4208731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2104065 + 2104066.

It is an arithmetic number, because the mean of its divisors is an integer number (2104066).

Almost surely, 2^4208131 is an apocalyptic number.

4208131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4208131 is an equidigital number, since it uses as much as digits as its factorization.

4208131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 4208131 is about 2051.3729548768. The cubic root of 4208131 is about 161.4469148535.

The spelling of 4208131 in words is "four million, two hundred eight thousand, one hundred thirty-one".