490305523 has 12 divisors (see below), whose sum is σ = 510789240. Its totient is φ = 470609216.

The previous prime is 490305461. The next prime is 490305527. The reversal of 490305523 is 325503094.

It is not a de Polignac number, because 490305523 - 2¹³ = 490297331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490305527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148911 + ... + 152167.

It is an arithmetic number, because the mean of its divisors is an integer number (42565770).

Almost surely, 2^490305523 is an apocalyptic number.

490305523 is a deficient number, since it is larger than the sum of its proper divisors (20483717).

490305523 is a wasteful number, since it uses less digits than its factorization.

490305523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494 (or 3465 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 490305523 is about 22142.8436069083. The cubic root of 490305523 is about 788.5373368533.

The spelling of 490305523 in words is "four hundred ninety million, three hundred five thousand, five hundred twenty-three".