4450981 has 2 divisors, whose sum is σ = 4450982. Its totient is φ = 4450980.

The previous prime is 4450967. The next prime is 4451017. The reversal of 4450981 is 1890544.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4040100 + 410881 = 2010^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 4450981 - 2¹¹ = 4448933 is a prime.

It is a super-2 number, since 2×4450981² = 39622463724722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4450931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2225490 + 2225491.

It is an arithmetic number, because the mean of its divisors is an integer number (2225491).

Almost surely, 2^4450981 is an apocalyptic number.

It is an amenable number.

4450981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4450981 is an equidigital number, since it uses as much as digits as its factorization.

4450981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 4450981 is about 2109.7348174593. The cubic root of 4450981 is about 164.4947014673.

The spelling of 4450981 in words is "four million, four hundred fifty thousand, nine hundred eighty-one".