85414031 has 2 divisors, whose sum is σ = 85414032. Its totient is φ = 85414030.

The previous prime is 85414009. The next prime is 85414033. The reversal of 85414031 is 13041458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85414031 - 2¹⁸ = 85151887 is a prime.

It is a super-2 number, since 2×85414031² = 14591113383337922, which contains 22 as substring.

Together with 85414033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85414033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42707015 + 42707016.

It is an arithmetic number, because the mean of its divisors is an integer number (42707016).

Almost surely, 2^85414031 is an apocalyptic number.

85414031 is a deficient number, since it is larger than the sum of its proper divisors (1).

85414031 is an equidigital number, since it uses as much as digits as its factorization.

85414031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 85414031 is about 9241.9711642052. The cubic root of 85414031 is about 440.3957029122.

Adding to 85414031 its reverse (13041458), we get a palindrome (98455489).

The spelling of 85414031 in words is "eighty-five million, four hundred fourteen thousand, thirty-one".