5966549 has 2 divisors, whose sum is σ = 5966550. Its totient is φ = 5966548.

The previous prime is 5966537. The next prime is 5966557. The reversal of 5966549 is 9456695.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5726449 + 240100 = 2393^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 5966549 - 2⁴ = 5966533 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5966579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2983274 + 2983275.

It is an arithmetic number, because the mean of its divisors is an integer number (2983275).

Almost surely, 2^5966549 is an apocalyptic number.

It is an amenable number.

5966549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5966549 is an equidigital number, since it uses as much as digits as its factorization.

5966549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 44.

The square root of 5966549 is about 2442.6520423507. The cubic root of 5966549 is about 181.3737380978.

The spelling of 5966549 in words is "five million, nine hundred sixty-six thousand, five hundred forty-nine".