7085731 has 2 divisors, whose sum is σ = 7085732. Its totient is φ = 7085730.

The previous prime is 7085713. The next prime is 7085737. The reversal of 7085731 is 1375807.

Together with previous prime (7085713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (1375807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7085731 - 2²¹ = 4988579 is a prime.

It is a super-2 number, since 2×7085731² = 100415167608722, which contains 22 as substring.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 7085731 parts by 3764 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 7085693 and 7085702.

It is not a weakly prime, because it can be changed into another prime (7085737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3542865 + 3542866.

It is an arithmetic number, because the mean of its divisors is an integer number (3542866).

Almost surely, 2^7085731 is an apocalyptic number.

7085731 is a deficient number, since it is larger than the sum of its proper divisors (1).

7085731 is an equidigital number, since it uses as much as digits as its factorization.

7085731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 7085731 is about 2661.9036421328. The cubic root of 7085731 is about 192.0708921517.

The spelling of 7085731 in words is "seven million, eighty-five thousand, seven hundred thirty-one".