4994981 has 2 divisors, whose sum is σ = 4994982. Its totient is φ = 4994980.

The previous prime is 4994909. The next prime is 4994987. The reversal of 4994981 is 1894994.

4994981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4990756 + 4225 = 2234^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 4994981 - 2¹⁸ = 4732837 is a prime.

It is a super-2 number, since 2×4994981² = 49899670380722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4994987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2497490 + 2497491.

It is an arithmetic number, because the mean of its divisors is an integer number (2497491).

Almost surely, 2^4994981 is an apocalyptic number.

It is an amenable number.

4994981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4994981 is an equidigital number, since it uses as much as digits as its factorization.

4994981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 44.

The square root of 4994981 is about 2234.9454132036. The cubic root of 4994981 is about 170.9403597174.

The spelling of 4994981 in words is "four million, nine hundred ninety-four thousand, nine hundred eighty-one".