563226403 has 2 divisors, whose sum is σ = 563226404. Its totient is φ = 563226402.

The previous prime is 563226343. The next prime is 563226413. The reversal of 563226403 is 304622365.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563226403 - 2²⁵ = 529671971 is a prime.

It is not a weakly prime, because it can be changed into another prime (563226413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281613201 + 281613202.

It is an arithmetic number, because the mean of its divisors is an integer number (281613202).

Almost surely, 2^563226403 is an apocalyptic number.

563226403 is a deficient number, since it is larger than the sum of its proper divisors (1).

563226403 is an equidigital number, since it uses as much as digits as its factorization.

563226403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 563226403 is about 23732.3914302794. The cubic root of 563226403 is about 825.8369971312.

Adding to 563226403 its reverse (304622365), we get a palindrome (867848768).

The spelling of 563226403 in words is "five hundred sixty-three million, two hundred twenty-six thousand, four hundred three".