535138169 has 2 divisors, whose sum is σ = 535138170. Its totient is φ = 535138168.

The previous prime is 535138081. The next prime is 535138181. The reversal of 535138169 is 961831535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 531763600 + 3374569 = 23060^2 + 1837^2 .

It is a cyclic number.

It is not a de Polignac number, because 535138169 - 2¹⁶ = 535072633 is a prime.

It is a super-2 number, since 2×535138169² = 572745719841345122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (535138069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267569084 + 267569085.

It is an arithmetic number, because the mean of its divisors is an integer number (267569085).

Almost surely, 2^535138169 is an apocalyptic number.

It is an amenable number.

535138169 is a deficient number, since it is larger than the sum of its proper divisors (1).

535138169 is an equidigital number, since it uses as much as digits as its factorization.

535138169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 41.

The square root of 535138169 is about 23133.0536030158. The cubic root of 535138169 is about 811.8740173762.

The spelling of 535138169 in words is "five hundred thirty-five million, one hundred thirty-eight thousand, one hundred sixty-nine".