160000531 has 2 divisors, whose sum is σ = 160000532. Its totient is φ = 160000530.

The previous prime is 160000513. The next prime is 160000541. The reversal of 160000531 is 135000061.

Together with previous prime (160000513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 160000531 - 2¹¹ = 159998483 is a prime.

It is a super-2 number, since 2×160000531² = 51200339840563922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (160000541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80000265 + 80000266.

It is an arithmetic number, because the mean of its divisors is an integer number (80000266).

Almost surely, 2^160000531 is an apocalyptic number.

160000531 is a deficient number, since it is larger than the sum of its proper divisors (1).

160000531 is an equidigital number, since it uses as much as digits as its factorization.

160000531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 160000531 is about 12649.1316302741. The cubic root of 160000531 is about 542.8841238832.

Adding to 160000531 its reverse (135000061), we get a palindrome (295000592).

The spelling of 160000531 in words is "one hundred sixty million, five hundred thirty-one", and thus it is an aban number.