513851226 has 64 divisors (see below), whose sum is σ = 1216290816. Its totient is φ = 141624000.

The previous prime is 513851189. The next prime is 513851249. The reversal of 513851226 is 622158315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732676 + ... + 733376.

It is an arithmetic number, because the mean of its divisors is an integer number (19004544).

Almost surely, 2^513851226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513851226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608145408).

513851226 is an abundant number, since it is smaller than the sum of its proper divisors (702439590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513851226 is a wasteful number, since it uses less digits than its factorization.

513851226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307.

The product of its digits is 14400, while the sum is 33.

The square root of 513851226 is about 22668.2867901392. The cubic root of 513851226 is about 800.9630204826.

The spelling of 513851226 in words is "five hundred thirteen million, eight hundred fifty-one thousand, two hundred twenty-six".