981245033 has 2 divisors, whose sum is σ = 981245034. Its totient is φ = 981245032.

The previous prime is 981245011. The next prime is 981245039. The reversal of 981245033 is 330542189.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 932203024 + 49042009 = 30532^2 + 7003^2 .

It is an emirp because it is prime and its reverse (330542189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 981245033 - 2⁶ = 981244969 is a prime.

It is a Chen prime.

It is equal to p_49941701 and since 981245033 and 49941701 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 981244984 and 981245002.

It is not a weakly prime, because it can be changed into another prime (981245039) 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, 490622516 + 490622517.

It is an arithmetic number, because the mean of its divisors is an integer number (490622517).

Almost surely, 2^981245033 is an apocalyptic number.

It is an amenable number.

981245033 is a deficient number, since it is larger than the sum of its proper divisors (1).

981245033 is an equidigital number, since it uses as much as digits as its factorization.

981245033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 981245033 is about 31324.8309333027. The cubic root of 981245033 is about 993.7088487475.

It can be divided in two parts, 9812 and 45033, that added together give a palindrome (54845).

The spelling of 981245033 in words is "nine hundred eighty-one million, two hundred forty-five thousand, thirty-three".