513203211 has 6 divisors (see below), whose sum is σ = 741293540. Its totient is φ = 342135468.

The previous prime is 513203177. The next prime is 513203221. The reversal of 513203211 is 112302315.

It is not a de Polignac number, because 513203211 - 2⁶ = 513203147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513203221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28511281 + ... + 28511298.

Almost surely, 2^513203211 is an apocalyptic number.

513203211 is a deficient number, since it is larger than the sum of its proper divisors (228090329).

513203211 is a wasteful number, since it uses less digits than its factorization.

513203211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57022585 (or 57022582 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 513203211 is about 22653.9888540628. The cubic root of 513203211 is about 800.6261821379.

Adding to 513203211 its reverse (112302315), we get a palindrome (625505526).

The spelling of 513203211 in words is "five hundred thirteen million, two hundred three thousand, two hundred eleven".