538789253 has 2 divisors, whose sum is σ = 538789254. Its totient is φ = 538789252.

The previous prime is 538789249. The next prime is 538789309. The reversal of 538789253 is 352987835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 536709889 + 2079364 = 23167^2 + 1442^2 .

It is a cyclic number.

It is not a de Polignac number, because 538789253 - 2² = 538789249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538789453) 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, 269394626 + 269394627.

It is an arithmetic number, because the mean of its divisors is an integer number (269394627).

Almost surely, 2^538789253 is an apocalyptic number.

It is an amenable number.

538789253 is a deficient number, since it is larger than the sum of its proper divisors (1).

538789253 is an equidigital number, since it uses as much as digits as its factorization.

538789253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 50.

The square root of 538789253 is about 23211.8343307891. The cubic root of 538789253 is about 813.7162234457.

The spelling of 538789253 in words is "five hundred thirty-eight million, seven hundred eighty-nine thousand, two hundred fifty-three".