513435221203252 has 24 divisors (see below), whose sum is σ = 898630000998912. Its totient is φ = 256683793399200.

The previous prime is 513435221203159. The next prime is 513435221203301. The reversal of 513435221203252 is 252302122534315.

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, 3093217053 + ... + 3093383035.

It is an arithmetic number, because the mean of its divisors is an integer number (37442916708288).

Almost surely, 2^{513435221203252} is an apocalyptic number.

It is an amenable number.

513435221203252 is a deficient number, since it is larger than the sum of its proper divisors (385194779795660).

513435221203252 is a wasteful number, since it uses less digits than its factorization.

513435221203252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263199 (or 263197 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 513435221203252 its reverse (252302122534315), we get a palindrome (765737343737567).

The spelling of 513435221203252 in words is "five hundred thirteen trillion, four hundred thirty-five billion, two hundred twenty-one million, two hundred three thousand, two hundred fifty-two".