5226661 has 4 divisors (see below), whose sum is σ = 5701824. Its totient is φ = 4751500.

The previous prime is 5226647. The next prime is 5226671. The reversal of 5226661 is 1666225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5226661 - 2¹¹ = 5224613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5226671) 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 3 ways as a sum of consecutive naturals, for example, 237565 + ... + 237586.

It is an arithmetic number, because the mean of its divisors is an integer number (1425456).

Almost surely, 2^5226661 is an apocalyptic number.

It is an amenable number.

5226661 is a deficient number, since it is larger than the sum of its proper divisors (475163).

5226661 is a wasteful number, since it uses less digits than its factorization.

5226661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475162.

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

The square root of 5226661 is about 2286.1891872721. The cubic root of 5226661 is about 173.5434036698.

The spelling of 5226661 in words is "five million, two hundred twenty-six thousand, six hundred sixty-one".