983164381 has 2 divisors, whose sum is σ = 983164382. Its totient is φ = 983164380.

The previous prime is 983164373. The next prime is 983164387. The reversal of 983164381 is 183461389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 627502500 + 355661881 = 25050^2 + 18859^2 .

It is an emirp because it is prime and its reverse (183461389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 983164381 - 2³ = 983164373 is a prime.

It is a super-2 number, since 2×983164381² = 1933224400134226322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983164387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491582190 + 491582191.

It is an arithmetic number, because the mean of its divisors is an integer number (491582191).

Almost surely, 2^983164381 is an apocalyptic number.

It is an amenable number.

983164381 is a deficient number, since it is larger than the sum of its proper divisors (1).

983164381 is an equidigital number, since it uses as much as digits as its factorization.

983164381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 983164381 is about 31355.4521734259. The cubic root of 983164381 is about 994.3563359750.

The spelling of 983164381 in words is "nine hundred eighty-three million, one hundred sixty-four thousand, three hundred eighty-one".