985383601 has 2 divisors, whose sum is σ = 985383602. Its totient is φ = 985383600.

The previous prime is 985383599. The next prime is 985383629. The reversal of 985383601 is 106383589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 862949376 + 122434225 = 29376^2 + 11065^2 .

It is a cyclic number.

It is not a de Polignac number, because 985383601 - 2¹ = 985383599 is a prime.

It is a super-2 number, since 2×985383601² = 1941961682239454402, which contains 22 as substring.

Together with 985383599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (985383101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492691800 + 492691801.

It is an arithmetic number, because the mean of its divisors is an integer number (492691801).

Almost surely, 2^985383601 is an apocalyptic number.

It is an amenable number.

985383601 is a deficient number, since it is larger than the sum of its proper divisors (1).

985383601 is an equidigital number, since it uses as much as digits as its factorization.

985383601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 985383601 is about 31390.8203301538. The cubic root of 985383601 is about 995.1039346662.

The spelling of 985383601 in words is "nine hundred eighty-five million, three hundred eighty-three thousand, six hundred one".