7085431 has 4 divisors (see below), whose sum is σ = 7175200. Its totient is φ = 6995664.

The previous prime is 7085417. The next prime is 7085437. The reversal of 7085431 is 1345807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1345807 = 269 ⋅5003.

It is a cyclic number.

It is not a de Polignac number, because 7085431 - 2⁵ = 7085399 is a prime.

It is a super-2 number, since 2×7085431² = 100406664911522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7085431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7085437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44766 + ... + 44923.

It is an arithmetic number, because the mean of its divisors is an integer number (1793800).

Almost surely, 2^7085431 is an apocalyptic number.

7085431 is the 1684-th centered pentagonal number.

7085431 is a deficient number, since it is larger than the sum of its proper divisors (89769).

7085431 is an equidigital number, since it uses as much as digits as its factorization.

7085431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89768.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 7085431 is about 2661.8472908865. The cubic root of 7085431 is about 192.0681814419.

The spelling of 7085431 in words is "seven million, eighty-five thousand, four hundred thirty-one".