10017881 has 2 divisors, whose sum is σ = 10017882. Its totient is φ = 10017880.

The previous prime is 10017877. The next prime is 10017893. The reversal of 10017881 is 18871001.

10017881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7929856 + 2088025 = 2816^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 10017881 - 2² = 10017877 is a prime.

It is a super-2 number, since 2×10017881² = 200715879460322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10017881.

It is not a weakly prime, because it can be changed into another prime (10017841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5008940 + 5008941.

It is an arithmetic number, because the mean of its divisors is an integer number (5008941).

Almost surely, 2^10017881 is an apocalyptic number.

It is an amenable number.

10017881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10017881 is an equidigital number, since it uses as much as digits as its factorization.

10017881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 26.

The square root of 10017881 is about 3165.1036317947. The cubic root of 10017881 is about 215.5718040306.

Adding to 10017881 its reverse (18871001), we get a palindrome (28888882).

The spelling of 10017881 in words is "ten million, seventeen thousand, eight hundred eighty-one".