490662461 has 2 divisors, whose sum is σ = 490662462. Its totient is φ = 490662460.

The previous prime is 490662433. The next prime is 490662527. The reversal of 490662461 is 164266094.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381459961 + 109202500 = 19531^2 + 10450^2 .

It is a cyclic number.

It is not a de Polignac number, because 490662461 - 2¹⁴ = 490646077 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 (490662421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245331230 + 245331231.

It is an arithmetic number, because the mean of its divisors is an integer number (245331231).

Almost surely, 2^490662461 is an apocalyptic number.

It is an amenable number.

490662461 is a deficient number, since it is larger than the sum of its proper divisors (1).

490662461 is an equidigital number, since it uses as much as digits as its factorization.

490662461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 490662461 is about 22150.9020358088. The cubic root of 490662461 is about 788.7286397957.

The spelling of 490662461 in words is "four hundred ninety million, six hundred sixty-two thousand, four hundred sixty-one".