6217249 has 2 divisors, whose sum is σ = 6217250. Its totient is φ = 6217248.

The previous prime is 6217231. The next prime is 6217259. The reversal of 6217249 is 9427126.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6051600 + 165649 = 2460^2 + 407^2 .

It is a cyclic number.

It is not a de Polignac number, because 6217249 - 2¹¹ = 6215201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6217249.

It is not a weakly prime, because it can be changed into another prime (6217229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108624 + 3108625.

It is an arithmetic number, because the mean of its divisors is an integer number (3108625).

Almost surely, 2^6217249 is an apocalyptic number.

It is an amenable number.

6217249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6217249 is an equidigital number, since it uses as much as digits as its factorization.

6217249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 6217249 is about 2493.4411964191. The cubic root of 6217249 is about 183.8792627105.

The spelling of 6217249 in words is "six million, two hundred seventeen thousand, two hundred forty-nine".