513036340 has 24 divisors (see below), whose sum is σ = 1078259112. Its totient is φ = 205046400.

The previous prime is 513036323. The next prime is 513036341. The reversal of 513036340 is 43630315.

It can be written as a sum of positive squares in 4 ways, for example, as 50098084 + 462938256 = 7078^2 + 21516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513036341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16162 + ... + 35878.

It is an arithmetic number, because the mean of its divisors is an integer number (44927463).

Almost surely, 2^513036340 is an apocalyptic number.

It is an amenable number.

513036340 is an abundant number, since it is smaller than the sum of its proper divisors (565222772).

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

513036340 is a wasteful number, since it uses less digits than its factorization.

513036340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21027 (or 21025 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 513036340 is about 22650.3055167033. The cubic root of 513036340 is about 800.5393966490.

Adding to 513036340 its reverse (43630315), we get a palindrome (556666655).

The spelling of 513036340 in words is "five hundred thirteen million, thirty-six thousand, three hundred forty".