4191013 has 2 divisors, whose sum is σ = 4191014. Its totient is φ = 4191012.

The previous prime is 4190999. The next prime is 4191017. The reversal of 4191013 is 3101914.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2829124 + 1361889 = 1682^2 + 1167^2 .

It is a cyclic number.

It is not a de Polignac number, because 4191013 - 2⁵ = 4190981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4191017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2095506 + 2095507.

It is an arithmetic number, because the mean of its divisors is an integer number (2095507).

Almost surely, 2^4191013 is an apocalyptic number.

It is an amenable number.

4191013 is a deficient number, since it is larger than the sum of its proper divisors (1).

4191013 is an equidigital number, since it uses as much as digits as its factorization.

4191013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 4191013 is about 2047.1963755341. The cubic root of 4191013 is about 161.2277039862.

Adding to 4191013 its reverse (3101914), we get a palindrome (7292927).

The spelling of 4191013 in words is "four million, one hundred ninety-one thousand, thirteen".