5144981 has 2 divisors, whose sum is σ = 5144982. Its totient is φ = 5144980.

The previous prime is 5144963. The next prime is 5144983. The reversal of 5144981 is 1894415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4558225 + 586756 = 2135^2 + 766^2 .

It is a cyclic number.

It is not a de Polignac number, because 5144981 - 2⁶ = 5144917 is a prime.

It is a super-2 number, since 2×5144981² = 52941658980722, which contains 22 as substring.

Together with 5144983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5144983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572490 + 2572491.

It is an arithmetic number, because the mean of its divisors is an integer number (2572491).

Almost surely, 2^5144981 is an apocalyptic number.

It is an amenable number.

5144981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5144981 is an equidigital number, since it uses as much as digits as its factorization.

5144981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The square root of 5144981 is about 2268.2550562051. The cubic root of 5144981 is about 172.6346326948.

The spelling of 5144981 in words is "five million, one hundred forty-four thousand, nine hundred eighty-one".