6490961 has 2 divisors, whose sum is σ = 6490962. Its totient is φ = 6490960.

The previous prime is 6490943. The next prime is 6490969. The reversal of 6490961 is 1690946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6076225 + 414736 = 2465^2 + 644^2 .

It is a cyclic number.

It is not a de Polignac number, because 6490961 - 2¹⁴ = 6474577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6490969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245480 + 3245481.

It is an arithmetic number, because the mean of its divisors is an integer number (3245481).

Almost surely, 2^6490961 is an apocalyptic number.

It is an amenable number.

6490961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6490961 is an equidigital number, since it uses as much as digits as its factorization.

6490961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6490961 is about 2547.7364463382. The cubic root of 6490961 is about 186.5390095860.

The spelling of 6490961 in words is "six million, four hundred ninety thousand, nine hundred sixty-one".