4291213 has 2 divisors, whose sum is σ = 4291214. Its totient is φ = 4291212.

The previous prime is 4291211. The next prime is 4291219. The reversal of 4291213 is 3121924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3992004 + 299209 = 1998^2 + 547^2 .

It is a cyclic number.

It is not a de Polignac number, because 4291213 - 2¹ = 4291211 is a prime.

It is a super-2 number, since 2×4291213² = 36829018022738, which contains 22 as substring.

Together with 4291211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4291211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2145606 + 2145607.

It is an arithmetic number, because the mean of its divisors is an integer number (2145607).

Almost surely, 2^4291213 is an apocalyptic number.

It is an amenable number.

4291213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4291213 is an equidigital number, since it uses as much as digits as its factorization.

4291213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 4291213 is about 2071.5243179842. The cubic root of 4291213 is about 162.5024914805.

The spelling of 4291213 in words is "four million, two hundred ninety-one thousand, two hundred thirteen".