538522801 has 2 divisors, whose sum is σ = 538522802. Its totient is φ = 538522800.

The previous prime is 538522763. The next prime is 538522811. The reversal of 538522801 is 108225835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507330576 + 31192225 = 22524^2 + 5585^2 .

It is a cyclic number.

It is not a de Polignac number, because 538522801 - 2⁹ = 538522289 is a prime.

It is not a weakly prime, because it can be changed into another prime (538522811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269261400 + 269261401.

It is an arithmetic number, because the mean of its divisors is an integer number (269261401).

Almost surely, 2^538522801 is an apocalyptic number.

It is an amenable number.

538522801 is a deficient number, since it is larger than the sum of its proper divisors (1).

538522801 is an equidigital number, since it uses as much as digits as its factorization.

538522801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 538522801 is about 23206.0940487623. The cubic root of 538522801 is about 813.5820633419.

The spelling of 538522801 in words is "five hundred thirty-eight million, five hundred twenty-two thousand, eight hundred one".