7112531 has 2 divisors, whose sum is σ = 7112532. Its totient is φ = 7112530.

The previous prime is 7112513. The next prime is 7112551. The reversal of 7112531 is 1352117.

Together with previous prime (7112513) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (7112551) can be obtained adding 7112531 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7112531 - 2⁶ = 7112467 is a prime.

It is a super-2 number, since 2×7112531² = 101176194451922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7112551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3556265 + 3556266.

It is an arithmetic number, because the mean of its divisors is an integer number (3556266).

Almost surely, 2^7112531 is an apocalyptic number.

7112531 is a deficient number, since it is larger than the sum of its proper divisors (1).

7112531 is an equidigital number, since it uses as much as digits as its factorization.

7112531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 210, while the sum is 20.

The square root of 7112531 is about 2666.9328825450. The cubic root of 7112531 is about 192.3127408193.

Adding to 7112531 its reverse (1352117), we get a palindrome (8464648).

The spelling of 7112531 in words is "seven million, one hundred twelve thousand, five hundred thirty-one".