538015069 has 2 divisors, whose sum is σ = 538015070. Its totient is φ = 538015068.

The previous prime is 538015021. The next prime is 538015073. The reversal of 538015069 is 960510835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530380900 + 7634169 = 23030^2 + 2763^2 .

It is a cyclic number.

It is not a de Polignac number, because 538015069 - 2¹⁹ = 537490781 is a prime.

It is a super-2 number, since 2×538015069² = 578920428942149522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538015019) 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, 269007534 + 269007535.

It is an arithmetic number, because the mean of its divisors is an integer number (269007535).

Almost surely, 2^538015069 is an apocalyptic number.

It is an amenable number.

538015069 is a deficient number, since it is larger than the sum of its proper divisors (1).

538015069 is an equidigital number, since it uses as much as digits as its factorization.

538015069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 538015069 is about 23195.1518425726. The cubic root of 538015069 is about 813.3262948232.

It can be divided in two parts, 5380 and 15069, that added together give a square (20449 = 143²).

The spelling of 538015069 in words is "five hundred thirty-eight million, fifteen thousand, sixty-nine".