490523081 has 8 divisors (see below), whose sum is σ = 511315200. Its totient is φ = 469989520.

The previous prime is 490523029. The next prime is 490523113. The reversal of 490523081 is 180325094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490523081 - 2¹⁰ = 490522057 is a prime.

It is a super-2 number, since 2×490523081² = 481225785987465122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490523381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60761 + ... + 68358.

It is an arithmetic number, because the mean of its divisors is an integer number (63914400).

Almost surely, 2^490523081 is an apocalyptic number.

It is an amenable number.

490523081 is a deficient number, since it is larger than the sum of its proper divisors (20792119).

490523081 is a wasteful number, since it uses less digits than its factorization.

490523081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129279.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 490523081 is about 22147.7556650781. The cubic root of 490523081 is about 788.6539493397.

The spelling of 490523081 in words is "four hundred ninety million, five hundred twenty-three thousand, eighty-one".