981894301 has 2 divisors, whose sum is σ = 981894302. Its totient is φ = 981894300.

The previous prime is 981894299. The next prime is 981894349. The reversal of 981894301 is 103498189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731432025 + 250462276 = 27045^2 + 15826^2 .

It is a cyclic number.

It is not a de Polignac number, because 981894301 - 2¹ = 981894299 is a prime.

Together with 981894299, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (981894401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490947150 + 490947151.

It is an arithmetic number, because the mean of its divisors is an integer number (490947151).

Almost surely, 2^981894301 is an apocalyptic number.

It is an amenable number.

981894301 is a deficient number, since it is larger than the sum of its proper divisors (1).

981894301 is an equidigital number, since it uses as much as digits as its factorization.

981894301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 981894301 is about 31335.1926912856. The cubic root of 981894301 is about 993.9279721015.

The spelling of 981894301 in words is "nine hundred eighty-one million, eight hundred ninety-four thousand, three hundred one".