490533787 has 2 divisors, whose sum is σ = 490533788. Its totient is φ = 490533786.

The previous prime is 490533781. The next prime is 490533803. The reversal of 490533787 is 787335094.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490533787 - 2³ = 490533779 is a prime.

It is a super-2 number, since 2×490533787² = 481246792377122738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (490533781) 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, 245266893 + 245266894.

It is an arithmetic number, because the mean of its divisors is an integer number (245266894).

Almost surely, 2^490533787 is an apocalyptic number.

490533787 is a deficient number, since it is larger than the sum of its proper divisors (1).

490533787 is an equidigital number, since it uses as much as digits as its factorization.

490533787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 490533787 is about 22147.9973586778. The cubic root of 490533787 is about 788.6596869343.

The spelling of 490533787 in words is "four hundred ninety million, five hundred thirty-three thousand, seven hundred eighty-seven".