5866249 has 2 divisors, whose sum is σ = 5866250. Its totient is φ = 5866248.

The previous prime is 5866247. The next prime is 5866261. The reversal of 5866249 is 9426685.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5257849 + 608400 = 2293^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 5866249 - 2¹ = 5866247 is a prime.

Together with 5866247, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5866243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2933124 + 2933125.

It is an arithmetic number, because the mean of its divisors is an integer number (2933125).

Almost surely, 2^5866249 is an apocalyptic number.

It is an amenable number.

5866249 is a deficient number, since it is larger than the sum of its proper divisors (1).

5866249 is an equidigital number, since it uses as much as digits as its factorization.

5866249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 5866249 is about 2422.0340625185. The cubic root of 5866249 is about 180.3516684602.

The spelling of 5866249 in words is "five million, eight hundred sixty-six thousand, two hundred forty-nine".