513020322 has 48 divisors (see below), whose sum is σ = 1202003712. Its totient is φ = 157518720.

The previous prime is 513020303. The next prime is 513020323. The reversal of 513020322 is 223020315.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 513020295 and 513020304.

It is not an unprimeable number, because it can be changed into a prime (513020323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3454 + ... + 32217.

It is an arithmetic number, because the mean of its divisors is an integer number (25041744).

Almost surely, 2^513020322 is an apocalyptic number.

513020322 is an abundant number, since it is smaller than the sum of its proper divisors (688983390).

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

513020322 is a wasteful number, since it uses less digits than its factorization.

513020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35743 (or 35740 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 513020322 is about 22649.9519204788. The cubic root of 513020322 is about 800.5310650927.

Adding to 513020322 its reverse (223020315), we get a palindrome (736040637).

It can be divided in two parts, 5130203 and 22, that added together give a square (5130225 = 2265²).

The spelling of 513020322 in words is "five hundred thirteen million, twenty thousand, three hundred twenty-two".