85313951 has 2 divisors, whose sum is σ = 85313952. Its totient is φ = 85313950.

The previous prime is 85313927. The next prime is 85314017. The reversal of 85313951 is 15931358.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85313951 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85313551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42656975 + 42656976.

It is an arithmetic number, because the mean of its divisors is an integer number (42656976).

Almost surely, 2^85313951 is an apocalyptic number.

85313951 is a deficient number, since it is larger than the sum of its proper divisors (1).

85313951 is an equidigital number, since it uses as much as digits as its factorization.

85313951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 35.

The square root of 85313951 is about 9236.5551478893. Note that the first 3 decimals coincide. The cubic root of 85313951 is about 440.2236311543.

The spelling of 85313951 in words is "eighty-five million, three hundred thirteen thousand, nine hundred fifty-one".