6213491 has 2 divisors, whose sum is σ = 6213492. Its totient is φ = 6213490.

The previous prime is 6213479. The next prime is 6213503. The reversal of 6213491 is 1943126.

It is a balanced prime because it is at equal distance from previous prime (6213479) and next prime (6213503).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6213491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6213491.

It is not a weakly prime, because it can be changed into another prime (6213401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3106745 + 3106746.

It is an arithmetic number, because the mean of its divisors is an integer number (3106746).

Almost surely, 2^6213491 is an apocalyptic number.

6213491 is a deficient number, since it is larger than the sum of its proper divisors (1).

6213491 is an equidigital number, since it uses as much as digits as its factorization.

6213491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 6213491 is about 2492.6875054848. The cubic root of 6213491 is about 183.8422067959.

The spelling of 6213491 in words is "six million, two hundred thirteen thousand, four hundred ninety-one".