985342751 has 2 divisors, whose sum is σ = 985342752. Its totient is φ = 985342750.

The previous prime is 985342739. The next prime is 985342753. The reversal of 985342751 is 157243589.

It is a strong prime.

It is an emirp because it is prime and its reverse (157243589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 985342751 - 2¹⁴ = 985326367 is a prime.

It is a Sophie Germain prime.

Together with 985342753, 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 (985342753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492671375 + 492671376.

It is an arithmetic number, because the mean of its divisors is an integer number (492671376).

Almost surely, 2^985342751 is an apocalyptic number.

985342751 is a deficient number, since it is larger than the sum of its proper divisors (1).

985342751 is an equidigital number, since it uses as much as digits as its factorization.

985342751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 44.

The square root of 985342751 is about 31390.1696554829. The cubic root of 985342751 is about 995.0901834876.

The spelling of 985342751 in words is "nine hundred eighty-five million, three hundred forty-two thousand, seven hundred fifty-one".