538258297 has 2 divisors, whose sum is σ = 538258298. Its totient is φ = 538258296.

The previous prime is 538258271. The next prime is 538258319. The reversal of 538258297 is 792852835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 536570896 + 1687401 = 23164^2 + 1299^2 .

It is a cyclic number.

It is not a de Polignac number, because 538258297 - 2¹¹ = 538256249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538258297.

It is not a weakly prime, because it can be changed into another prime (538258247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269129148 + 269129149.

It is an arithmetic number, because the mean of its divisors is an integer number (269129149).

Almost surely, 2^538258297 is an apocalyptic number.

It is an amenable number.

538258297 is a deficient number, since it is larger than the sum of its proper divisors (1).

538258297 is an equidigital number, since it uses as much as digits as its factorization.

538258297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 49.

The square root of 538258297 is about 23200.3943285454. The cubic root of 538258297 is about 813.4488402908.

The spelling of 538258297 in words is "five hundred thirty-eight million, two hundred fifty-eight thousand, two hundred ninety-seven".