5432981 has 2 divisors, whose sum is σ = 5432982. Its totient is φ = 5432980.

The previous prime is 5432971. The next prime is 5432983. The reversal of 5432981 is 1892345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4990756 + 442225 = 2234^2 + 665^2 .

It is a cyclic number.

It is not a de Polignac number, because 5432981 - 2¹⁰ = 5431957 is a prime.

It is a super-2 number, since 2×5432981² = 59034565092722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5432983, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5432983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2716490 + 2716491.

It is an arithmetic number, because the mean of its divisors is an integer number (2716491).

Almost surely, 2^5432981 is an apocalyptic number.

It is an amenable number.

5432981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5432981 is an equidigital number, since it uses as much as digits as its factorization.

5432981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 5432981 is about 2330.8755865554. The cubic root of 5432981 is about 175.7975137735.

The spelling of 5432981 in words is "five million, four hundred thirty-two thousand, nine hundred eighty-one".