5340661 has 2 divisors, whose sum is σ = 5340662. Its totient is φ = 5340660.

The previous prime is 5340659. The next prime is 5340667. The reversal of 5340661 is 1660435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3352561 + 1988100 = 1831^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 5340661 - 2¹ = 5340659 is a prime.

Together with 5340659, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5340667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2670330 + 2670331.

It is an arithmetic number, because the mean of its divisors is an integer number (2670331).

Almost surely, 2^5340661 is an apocalyptic number.

It is an amenable number.

5340661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5340661 is an equidigital number, since it uses as much as digits as its factorization.

5340661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 5340661 is about 2310.9870185702. The cubic root of 5340661 is about 174.7960726600.

The spelling of 5340661 in words is "five million, three hundred forty thousand, six hundred sixty-one".