5621827 has 2 divisors, whose sum is σ = 5621828. Its totient is φ = 5621826.

The previous prime is 5621813. The next prime is 5621857. The reversal of 5621827 is 7281265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5621827 - 2¹⁹ = 5097539 is a prime.

It is a nialpdrome in base 7.

It is not a weakly prime, because it can be changed into another prime (5621857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2810913 + 2810914.

It is an arithmetic number, because the mean of its divisors is an integer number (2810914).

Almost surely, 2^5621827 is an apocalyptic number.

5621827 is a deficient number, since it is larger than the sum of its proper divisors (1).

5621827 is an equidigital number, since it uses as much as digits as its factorization.

5621827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 5621827 is about 2371.0392236317. The cubic root of 5621827 is about 177.8112188683.

The spelling of 5621827 in words is "five million, six hundred twenty-one thousand, eight hundred twenty-seven".