513045364 has 24 divisors (see below), whose sum is σ = 967536360. Its totient is φ = 236632704.

The previous prime is 513045359. The next prime is 513045389. The reversal of 513045364 is 463540315.

It can be written as a sum of positive squares in 4 ways, for example, as 109035364 + 404010000 = 10442^2 + 20100^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119202 + ... + 123430.

It is an arithmetic number, because the mean of its divisors is an integer number (40314015).

Almost surely, 2^513045364 is an apocalyptic number.

It is an amenable number.

513045364 is a deficient number, since it is larger than the sum of its proper divisors (454490996).

513045364 is a wasteful number, since it uses less digits than its factorization.

513045364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6579 (or 6577 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 513045364 is about 22650.5047184384. The cubic root of 513045364 is about 800.5440902900.

Adding to 513045364 its reverse (463540315), we get a palindrome (976585679).

The spelling of 513045364 in words is "five hundred thirteen million, forty-five thousand, three hundred sixty-four".