4201289 has 2 divisors, whose sum is σ = 4201290. Its totient is φ = 4201288.

The previous prime is 4201279. The next prime is 4201291. The reversal of 4201289 is 9821024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3211264 + 990025 = 1792^2 + 995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4201289 is a prime.

Together with 4201291, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₂₉₆₄₀₅ and since 4201289 and 296405 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (4201279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100644 + 2100645.

It is an arithmetic number, because the mean of its divisors is an integer number (2100645).

Almost surely, 2^4201289 is an apocalyptic number.

It is an amenable number.

4201289 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201289 is an equidigital number, since it uses as much as digits as its factorization.

4201289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4201289 is about 2049.7046128650. The cubic root of 4201289 is about 161.3593685453.

The spelling of 4201289 in words is "four million, two hundred one thousand, two hundred eighty-nine".