1563227 has 2 divisors, whose sum is σ = 1563228. Its totient is φ = 1563226.

The previous prime is 1563217. The next prime is 1563229. The reversal of 1563227 is 7223651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1563227 - 2⁸ = 1562971 is a prime.

Together with 1563229, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₁₁₈₅₈₃ and since 1563227 and 118583 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 1563196 and 1563205.

It is not a weakly prime, because it can be changed into another prime (1563229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781613 + 781614.

It is an arithmetic number, because the mean of its divisors is an integer number (781614).

2^1563227 is an apocalyptic number.

1563227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1563227 is an equidigital number, since it uses as much as digits as its factorization.

1563227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 1563227 is about 1250.2907661820. The cubic root of 1563227 is about 116.0577150369.

Adding to 1563227 its reverse (7223651), we get a palindrome (8786878).

The spelling of 1563227 in words is "one million, five hundred sixty-three thousand, two hundred twenty-seven".