5266649 has 2 divisors, whose sum is σ = 5266650. Its totient is φ = 5266648.

The previous prime is 5266631. The next prime is 5266673. The reversal of 5266649 is 9466625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4276624 + 990025 = 2068^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 5266649 - 2¹² = 5262553 is a prime.

It is not a weakly prime, because it can be changed into another prime (5266619) 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, 2633324 + 2633325.

It is an arithmetic number, because the mean of its divisors is an integer number (2633325).

Almost surely, 2^5266649 is an apocalyptic number.

It is an amenable number.

5266649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5266649 is an equidigital number, since it uses as much as digits as its factorization.

5266649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 5266649 is about 2294.9180813267. The cubic root of 5266649 is about 173.9848601792.

The spelling of 5266649 in words is "five million, two hundred sixty-six thousand, six hundred forty-nine".