490519521 has 12 divisors (see below), whose sum is σ = 710051472. Its totient is φ = 326309976.

The previous prime is 490519517. The next prime is 490519571. The reversal of 490519521 is 125915094.

490519521 is a `hidden beast` number, since 4 + 90 + 519 + 52 + 1 = 666.

It is not a de Polignac number, because 490519521 - 2² = 490519517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490519571) 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, 54151 + ... + 62556.

It is an arithmetic number, because the mean of its divisors is an integer number (59170956).

Almost surely, 2^490519521 is an apocalyptic number.

It is an amenable number.

490519521 is a deficient number, since it is larger than the sum of its proper divisors (219531951).

490519521 is a wasteful number, since it uses less digits than its factorization.

490519521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117180 (or 117177 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 490519521 is about 22147.6752956151. The cubic root of 490519521 is about 788.6520414343.

The spelling of 490519521 in words is "four hundred ninety million, five hundred nineteen thousand, five hundred twenty-one".