5621266 has 8 divisors (see below), whose sum is σ = 9636480. Its totient is φ = 2409108.

The previous prime is 5621249. The next prime is 5621267. The reversal of 5621266 is 6621265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5621267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200746 + ... + 200773.

It is an arithmetic number, because the mean of its divisors is an integer number (1204560).

Almost surely, 2^5621266 is an apocalyptic number.

5621266 is a deficient number, since it is larger than the sum of its proper divisors (4015214).

5621266 is a wasteful number, since it uses less digits than its factorization.

5621266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401528.

The product of its digits is 4320, while the sum is 28.

The square root of 5621266 is about 2370.9209181244. The cubic root of 5621266 is about 177.8053041000.

Subtracting 5621266 from its reverse (6621265), we obtain a palindrome (999999).

The spelling of 5621266 in words is "five million, six hundred twenty-one thousand, two hundred sixty-six".