85018951 has 2 divisors, whose sum is σ = 85018952. Its totient is φ = 85018950.

The previous prime is 85018949. The next prime is 85018963. The reversal of 85018951 is 15981058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85018951 - 2¹ = 85018949 is a prime.

Together with 85018949, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85018951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85010951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42509475 + 42509476.

It is an arithmetic number, because the mean of its divisors is an integer number (42509476).

Almost surely, 2^85018951 is an apocalyptic number.

85018951 is a deficient number, since it is larger than the sum of its proper divisors (1).

85018951 is an equidigital number, since it uses as much as digits as its factorization.

85018951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 37.

The square root of 85018951 is about 9220.5721622901. The cubic root of 85018951 is about 439.7156409913.

The spelling of 85018951 in words is "eighty-five million, eighteen thousand, nine hundred fifty-one".