5421266 has 16 divisors (see below), whose sum is σ = 8822520. Its totient is φ = 2488320.

The previous prime is 5421263. The next prime is 5421287. The reversal of 5421266 is 6621245.

It can be written as a sum of positive squares in 4 ways, for example, as 4558225 + 863041 = 2135^2 + 929^2 .

It is not an unprimeable number, because it can be changed into a prime (5421263) 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 in 7 ways as a sum of consecutive naturals, for example, 551 + ... + 3338.

Almost surely, 2^5421266 is an apocalyptic number.

5421266 is a deficient number, since it is larger than the sum of its proper divisors (3401254).

5421266 is a wasteful number, since it uses less digits than its factorization.

5421266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949.

The product of its digits is 2880, while the sum is 26.

The square root of 5421266 is about 2328.3612262705. The cubic root of 5421266 is about 175.6710669291.

The spelling of 5421266 in words is "five million, four hundred twenty-one thousand, two hundred sixty-six".