538261033 has 2 divisors, whose sum is σ = 538261034. Its totient is φ = 538261032.

The previous prime is 538260991. The next prime is 538261037. The reversal of 538261033 is 330162835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292649449 + 245611584 = 17107^2 + 15672^2 .

It is a cyclic number.

It is not a de Polignac number, because 538261033 - 2²⁹ = 1390121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538260986 and 538261004.

It is not a weakly prime, because it can be changed into another prime (538261037) 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, 269130516 + 269130517.

It is an arithmetic number, because the mean of its divisors is an integer number (269130517).

Almost surely, 2^538261033 is an apocalyptic number.

It is an amenable number.

538261033 is a deficient number, since it is larger than the sum of its proper divisors (1).

538261033 is an equidigital number, since it uses as much as digits as its factorization.

538261033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 538261033 is about 23200.4532929855. The cubic root of 538261033 is about 813.4502185586.

The spelling of 538261033 in words is "five hundred thirty-eight million, two hundred sixty-one thousand, thirty-three".