564826403 has 2 divisors, whose sum is σ = 564826404. Its totient is φ = 564826402.

The previous prime is 564826397. The next prime is 564826421. The reversal of 564826403 is 304628465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 564826403 - 2¹⁰ = 564825379 is a prime.

It is not a weakly prime, because it can be changed into another prime (564826453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282413201 + 282413202.

It is an arithmetic number, because the mean of its divisors is an integer number (282413202).

Almost surely, 2^564826403 is an apocalyptic number.

564826403 is a deficient number, since it is larger than the sum of its proper divisors (1).

564826403 is an equidigital number, since it uses as much as digits as its factorization.

564826403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 564826403 is about 23766.0767271336. The cubic root of 564826403 is about 826.6182637466.

The spelling of 564826403 in words is "five hundred sixty-four million, eight hundred twenty-six thousand, four hundred three".