5290661 has 2 divisors, whose sum is σ = 5290662. Its totient is φ = 5290660.

The previous prime is 5290657. The next prime is 5290679. The reversal of 5290661 is 1660925.

5290661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2825761 + 2464900 = 1681^2 + 1570^2 .

It is a cyclic number.

It is not a de Polignac number, because 5290661 - 2² = 5290657 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 (5290601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2645330 + 2645331.

It is an arithmetic number, because the mean of its divisors is an integer number (2645331).

Almost surely, 2^5290661 is an apocalyptic number.

It is an amenable number.

5290661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5290661 is an equidigital number, since it uses as much as digits as its factorization.

5290661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 5290661 is about 2300.1436911637. The cubic root of 5290661 is about 174.2488731781.

It can be divided in two parts, 5290 and 661, that multiplied together give a triangular number (3496690 = T₂₆₄₄).

The spelling of 5290661 in words is "five million, two hundred ninety thousand, six hundred sixty-one".