513034452 has 96 divisors (see below), whose sum is σ = 1561271040. Its totient is φ = 142611840.

The previous prime is 513034439. The next prime is 513034463. The reversal of 513034452 is 254430315.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18802 + ... + 37142.

It is an arithmetic number, because the mean of its divisors is an integer number (16263240).

Almost surely, 2^513034452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513034452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (780635520).

513034452 is an abundant number, since it is smaller than the sum of its proper divisors (1048236588).

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

513034452 is a wasteful number, since it uses less digits than its factorization.

513034452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18398 (or 18390 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 513034452 is about 22650.2638395229. The cubic root of 513034452 is about 800.5384146391.

Adding to 513034452 its reverse (254430315), we get a palindrome (767464767).

It can be divided in two parts, 51303 and 4452, that added together give a palindrome (55755).

The spelling of 513034452 in words is "five hundred thirteen million, thirty-four thousand, four hundred fifty-two".