522663403 has 2 divisors, whose sum is σ = 522663404. Its totient is φ = 522663402.

The previous prime is 522663391. The next prime is 522663413. The reversal of 522663403 is 304366225.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 522663403 - 2⁵ = 522663371 is a prime.

It is not a weakly prime, because it can be changed into another prime (522663413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261331701 + 261331702.

It is an arithmetic number, because the mean of its divisors is an integer number (261331702).

Almost surely, 2^522663403 is an apocalyptic number.

522663403 is a deficient number, since it is larger than the sum of its proper divisors (1).

522663403 is an equidigital number, since it uses as much as digits as its factorization.

522663403 is an odious number, because the sum of its binary digits is odd.

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

The square root of 522663403 is about 22861.8328880254. The cubic root of 522663403 is about 805.5157391071.

The spelling of 522663403 in words is "five hundred twenty-two million, six hundred sixty-three thousand, four hundred three".