82854931 has 2 divisors, whose sum is σ = 82854932. Its totient is φ = 82854930.

The previous prime is 82854929. The next prime is 82854949. The reversal of 82854931 is 13945828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82854931 - 2¹ = 82854929 is a prime.

It is a super-2 number, since 2×82854931² = 13729879182029522, which contains 22 as substring.

Together with 82854929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (82854911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41427465 + 41427466.

It is an arithmetic number, because the mean of its divisors is an integer number (41427466).

Almost surely, 2^82854931 is an apocalyptic number.

82854931 is a deficient number, since it is larger than the sum of its proper divisors (1).

82854931 is an equidigital number, since it uses as much as digits as its factorization.

82854931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 82854931 is about 9102.4684014832. The cubic root of 82854931 is about 435.9527818994.

The spelling of 82854931 in words is "eighty-two million, eight hundred fifty-four thousand, nine hundred thirty-one".