520321234 has 8 divisors (see below), whose sum is σ = 789251580. Its totient is φ = 257237376.

The previous prime is 520321189. The next prime is 520321247. The reversal of 520321234 is 432123025.

It can be written as a sum of positive squares in 2 ways, for example, as 473193009 + 47128225 = 21753^2 + 6865^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461399 + ... + 1461754.

Almost surely, 2^520321234 is an apocalyptic number.

520321234 is a deficient number, since it is larger than the sum of its proper divisors (268930346).

520321234 is a wasteful number, since it uses less digits than its factorization.

520321234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923244.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 520321234 is about 22810.5509359156. The cubic root of 520321234 is about 804.3107065826.

Adding to 520321234 its reverse (432123025), we get a palindrome (952444259).

The spelling of 520321234 in words is "five hundred twenty million, three hundred twenty-one thousand, two hundred thirty-four".