853031 has 2 divisors, whose sum is σ = 853032. Its totient is φ = 853030.

The previous prime is 853007. The next prime is 853033. The reversal of 853031 is 130358.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853031 is a prime.

It is a super-2 number, since 2×853031² = 1455323773922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 853033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 852994 and 853012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426515 + 426516.

It is an arithmetic number, because the mean of its divisors is an integer number (426516).

2⁸⁵³⁰³¹ is an apocalyptic number.

853031 is a deficient number, since it is larger than the sum of its proper divisors (1).

853031 is an equidigital number, since it uses as much as digits as its factorization.

853031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 853031 is about 923.5967734894. The cubic root of 853031 is about 94.8392850527.

Adding to 853031 its reverse (130358), we get a palindrome (983389).

The spelling of 853031 in words is "eight hundred fifty-three thousand, thirty-one".