983162881 has 2 divisors, whose sum is σ = 983162882. Its totient is φ = 983162880.

The previous prime is 983162867. The next prime is 983162911. The reversal of 983162881 is 188261389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 535459600 + 447703281 = 23140^2 + 21159^2 .

It is a cyclic number.

It is not a de Polignac number, because 983162881 - 2⁵ = 983162849 is a prime.

It is a super-2 number, since 2×983162881² = 1933218501152440322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (983162801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491581440 + 491581441.

It is an arithmetic number, because the mean of its divisors is an integer number (491581441).

Almost surely, 2^983162881 is an apocalyptic number.

It is an amenable number.

983162881 is a deficient number, since it is larger than the sum of its proper divisors (1).

983162881 is an equidigital number, since it uses as much as digits as its factorization.

983162881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 46.

The square root of 983162881 is about 31355.4282541317. The cubic root of 983162881 is about 994.3558302830.

The spelling of 983162881 in words is "nine hundred eighty-three million, one hundred sixty-two thousand, eight hundred eighty-one".