521674283 has 32 divisors (see below), whose sum is σ = 598207680. Its totient is φ = 451676160.

The previous prime is 521674267. The next prime is 521674303. The reversal of 521674283 is 382476125.

It is a happy number.

It is not a de Polignac number, because 521674283 - 2⁴ = 521674267 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (521674213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1666535 + ... + 1666847.

It is an arithmetic number, because the mean of its divisors is an integer number (18693990).

Almost surely, 2^521674283 is an apocalyptic number.

521674283 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

521674283 is a deficient number, since it is larger than the sum of its proper divisors (76533397).

521674283 is a wasteful number, since it uses less digits than its factorization.

521674283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its digits is 80640, while the sum is 38.

The square root of 521674283 is about 22840.1900823964. The cubic root of 521674283 is about 805.0072825750.

The spelling of 521674283 in words is "five hundred twenty-one million, six hundred seventy-four thousand, two hundred eighty-three".