489422521 has 16 divisors (see below), whose sum is σ = 566625024. Its totient is φ = 414065664.

The previous prime is 489422449. The next prime is 489422579. The reversal of 489422521 is 125224984.

It is a cyclic number.

It is not a de Polignac number, because 489422521 - 2⁷ = 489422393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489422321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340821 + ... + 342253.

It is an arithmetic number, because the mean of its divisors is an integer number (35414064).

Almost surely, 2^489422521 is an apocalyptic number.

It is an amenable number.

489422521 is a deficient number, since it is larger than the sum of its proper divisors (77202503).

489422521 is a wasteful number, since it uses less digits than its factorization.

489422521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040.

The product of its digits is 46080, while the sum is 37.

The square root of 489422521 is about 22122.8958547474. The cubic root of 489422521 is about 788.0636876600.

The spelling of 489422521 in words is "four hundred eighty-nine million, four hundred twenty-two thousand, five hundred twenty-one".