5487689 has 2 divisors, whose sum is σ = 5487690. Its totient is φ = 5487688.

The previous prime is 5487683. The next prime is 5487697. The reversal of 5487689 is 9867845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 1646089 = 1960^2 + 1283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5487689 is a prime.

It is a super-2 number, since 2×5487689² = 60229461121442, which contains 22 as substring.

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 (5487683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2743844 + 2743845.

It is an arithmetic number, because the mean of its divisors is an integer number (2743845).

Almost surely, 2^5487689 is an apocalyptic number.

It is an amenable number.

5487689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5487689 is an equidigital number, since it uses as much as digits as its factorization.

5487689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 5487689 is about 2342.5816954804. The cubic root of 5487689 is about 176.3856149883.

The spelling of 5487689 in words is "five million, four hundred eighty-seven thousand, six hundred eighty-nine".