490505803 has 2 divisors, whose sum is σ = 490505804. Its totient is φ = 490505802.

The previous prime is 490505791. The next prime is 490505809. The reversal of 490505803 is 308505094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490505803 - 2²¹ = 488408651 is a prime.

It is not a weakly prime, because it can be changed into another prime (490505809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245252901 + 245252902.

It is an arithmetic number, because the mean of its divisors is an integer number (245252902).

Almost surely, 2^490505803 is an apocalyptic number.

490505803 is a deficient number, since it is larger than the sum of its proper divisors (1).

490505803 is an equidigital number, since it uses as much as digits as its factorization.

490505803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 490505803 is about 22147.3655995470. The cubic root of 490505803 is about 788.6446894812.

The spelling of 490505803 in words is "four hundred ninety million, five hundred five thousand, eight hundred three".