985383101 has 2 divisors, whose sum is σ = 985383102. Its totient is φ = 985383100.

The previous prime is 985383031. The next prime is 985383109. The reversal of 985383101 is 101383589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980316100 + 5067001 = 31310^2 + 2251^2 .

It is a cyclic number.

It is not a de Polignac number, because 985383101 - 2¹⁴ = 985366717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985383109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492691550 + 492691551.

It is an arithmetic number, because the mean of its divisors is an integer number (492691551).

Almost surely, 2^985383101 is an apocalyptic number.

It is an amenable number.

985383101 is a deficient number, since it is larger than the sum of its proper divisors (1).

985383101 is an equidigital number, since it uses as much as digits as its factorization.

985383101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 985383101 is about 31390.8123660411. The cubic root of 985383101 is about 995.1037663554.

The spelling of 985383101 in words is "nine hundred eighty-five million, three hundred eighty-three thousand, one hundred one".