513205134010 has 16 divisors (see below), whose sum is σ = 924314912136. Its totient is φ = 205160793408.

The previous prime is 513205133971. The next prime is 513205134017. The reversal of 513205134010 is 10431502315.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 311037097849 + 202168036161 = 557707^2 + 449631^2 .

It is not an unprimeable number, because it can be changed into a prime (513205134017) 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, 15139749 + ... + 15173608.

Almost surely, 2^513205134010 is an apocalyptic number.

513205134010 is a deficient number, since it is larger than the sum of its proper divisors (411109778126).

513205134010 is a wasteful number, since it uses less digits than its factorization.

513205134010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30315057.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 513205134010 its reverse (10431502315), we get a palindrome (523636636325).

The spelling of 513205134010 in words is "five hundred thirteen billion, two hundred five million, one hundred thirty-four thousand, ten".