5427661 has 2 divisors, whose sum is σ = 5427662. Its totient is φ = 5427660.

The previous prime is 5427649. The next prime is 5427671. The reversal of 5427661 is 1667245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4284900 + 1142761 = 2070^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 5427661 - 2⁵ = 5427629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5427671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713830 + 2713831.

It is an arithmetic number, because the mean of its divisors is an integer number (2713831).

Almost surely, 2^5427661 is an apocalyptic number.

It is an amenable number.

5427661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5427661 is an equidigital number, since it uses as much as digits as its factorization.

5427661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 5427661 is about 2329.7341050000. The cubic root of 5427661 is about 175.7401144560.

The spelling of 5427661 in words is "five million, four hundred twenty-seven thousand, six hundred sixty-one".