5162981 has 2 divisors, whose sum is σ = 5162982. Its totient is φ = 5162980.

The previous prime is 5162947. The next prime is 5162987. The reversal of 5162981 is 1892615.

5162981 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 + 172225 = 2234^2 + 415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5162981 is a prime.

It is a super-2 number, since 2×5162981² = 53312745612722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5162987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2581490 + 2581491.

It is an arithmetic number, because the mean of its divisors is an integer number (2581491).

Almost surely, 2^5162981 is an apocalyptic number.

It is an amenable number.

5162981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5162981 is an equidigital number, since it uses as much as digits as its factorization.

5162981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 32.

The square root of 5162981 is about 2272.2193996179. The cubic root of 5162981 is about 172.8357222994.

The spelling of 5162981 in words is "five million, one hundred sixty-two thousand, nine hundred eighty-one".