5189621 has 2 divisors, whose sum is σ = 5189622. Its totient is φ = 5189620.

The previous prime is 5189567. The next prime is 5189623. The reversal of 5189621 is 1269815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3783025 + 1406596 = 1945^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 5189621 - 2⁶ = 5189557 is a prime.

It is a super-2 number, since 2×5189621² = 53864332247282, which contains 22 as substring.

Together with 5189623, 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 (5189623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2594810 + 2594811.

It is an arithmetic number, because the mean of its divisors is an integer number (2594811).

Almost surely, 2^5189621 is an apocalyptic number.

It is an amenable number.

5189621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5189621 is an equidigital number, since it uses as much as digits as its factorization.

5189621 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 5189621 is about 2278.0739671925. The cubic root of 5189621 is about 173.1324789655.

The spelling of 5189621 in words is "five million, one hundred eighty-nine thousand, six hundred twenty-one".