490062197 has 2 divisors, whose sum is σ = 490062198. Its totient is φ = 490062196.

The previous prime is 490062163. The next prime is 490062239. The reversal of 490062197 is 791260094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486026116 + 4036081 = 22046^2 + 2009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490062197 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 490062197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490062997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245031098 + 245031099.

It is an arithmetic number, because the mean of its divisors is an integer number (245031099).

Almost surely, 2^490062197 is an apocalyptic number.

It is an amenable number.

490062197 is a deficient number, since it is larger than the sum of its proper divisors (1).

490062197 is an equidigital number, since it uses as much as digits as its factorization.

490062197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 490062197 is about 22137.3484636259. The cubic root of 490062197 is about 788.4068716799.

The spelling of 490062197 in words is "four hundred ninety million, sixty-two thousand, one hundred ninety-seven".