5537489 has 2 divisors, whose sum is σ = 5537490. Its totient is φ = 5537488.

The previous prime is 5537479. The next prime is 5537509. The reversal of 5537489 is 9847355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5452225 + 85264 = 2335^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 5537489 - 2¹² = 5533393 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5537479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2768744 + 2768745.

It is an arithmetic number, because the mean of its divisors is an integer number (2768745).

Almost surely, 2^5537489 is an apocalyptic number.

It is an amenable number.

5537489 is a deficient number, since it is larger than the sum of its proper divisors (1).

5537489 is an equidigital number, since it uses as much as digits as its factorization.

5537489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 41.

The square root of 5537489 is about 2353.1869878954. The cubic root of 5537489 is about 176.9175672415.

The spelling of 5537489 in words is "five million, five hundred thirty-seven thousand, four hundred eighty-nine".