535512161 has 2 divisors, whose sum is σ = 535512162. Its totient is φ = 535512160.

The previous prime is 535512139. The next prime is 535512163. The reversal of 535512161 is 161215535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532686400 + 2825761 = 23080^2 + 1681^2 .

It is a cyclic number.

It is not a de Polignac number, because 535512161 - 2¹⁴ = 535495777 is a prime.

It is a Sophie Germain prime.

Together with 535512163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (535512163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267756080 + 267756081.

It is an arithmetic number, because the mean of its divisors is an integer number (267756081).

Almost surely, 2^535512161 is an apocalyptic number.

It is an amenable number.

535512161 is a deficient number, since it is larger than the sum of its proper divisors (1).

535512161 is an equidigital number, since it uses as much as digits as its factorization.

535512161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4500, while the sum is 29.

The square root of 535512161 is about 23141.1356895032. The cubic root of 535512161 is about 812.0631047926.

Adding to 535512161 its reverse (161215535), we get a palindrome (696727696).

The spelling of 535512161 in words is "five hundred thirty-five million, five hundred twelve thousand, one hundred sixty-one".