513448122 has 64 divisors (see below), whose sum is σ = 1152797184. Its totient is φ = 151112640.

The previous prime is 513448121. The next prime is 513448139. The reversal of 513448122 is 221844315.

It is a self number, because there is not a number n which added to its sum of digits gives 513448122.

It is not an unprimeable number, because it can be changed into a prime (513448121) 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, 643828 + ... + 644624.

It is an arithmetic number, because the mean of its divisors is an integer number (18012456).

Almost surely, 2^513448122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513448122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576398592).

513448122 is an abundant number, since it is smaller than the sum of its proper divisors (639349062).

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

513448122 is a wasteful number, since it uses less digits than its factorization.

513448122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its digits is 7680, while the sum is 30.

The square root of 513448122 is about 22659.3936812087. The cubic root of 513448122 is about 800.7535202445.

The spelling of 513448122 in words is "five hundred thirteen million, four hundred forty-eight thousand, one hundred twenty-two".