479140521 has 16 divisors (see below), whose sum is σ = 647138688. Its totient is φ = 315302400.

The previous prime is 479140481. The next prime is 479140549. The reversal of 479140521 is 125041974.

It is a happy number.

It is not a de Polignac number, because 479140521 - 2⁶ = 479140457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (479140561) 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, 120556 + ... + 124466.

It is an arithmetic number, because the mean of its divisors is an integer number (40446168).

Almost surely, 2^479140521 is an apocalyptic number.

It is an amenable number.

479140521 is a deficient number, since it is larger than the sum of its proper divisors (167998167).

479140521 is a wasteful number, since it uses less digits than its factorization.

479140521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 479140521 is about 21889.2786770145. The cubic root of 479140521 is about 782.5059231213.

The spelling of 479140521 in words is "four hundred seventy-nine million, one hundred forty thousand, five hundred twenty-one".