513213351 has 32 divisors (see below), whose sum is σ = 840744960. Its totient is φ = 271908576.

The previous prime is 513213317. The next prime is 513213353. The reversal of 513213351 is 153312315.

It is not a de Polignac number, because 513213351 - 2⁹ = 513212839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513213353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5070 + ... + 32436.

It is an arithmetic number, because the mean of its divisors is an integer number (26273280).

Almost surely, 2^513213351 is an apocalyptic number.

513213351 is a deficient number, since it is larger than the sum of its proper divisors (327531609).

513213351 is a wasteful number, since it uses less digits than its factorization.

513213351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27443.

The product of its digits is 1350, while the sum is 24.

The square root of 513213351 is about 22654.2126546036. The cubic root of 513213351 is about 800.6314550953.

Adding to 513213351 its reverse (153312315), we get a palindrome (666525666).

The spelling of 513213351 in words is "five hundred thirteen million, two hundred thirteen thousand, three hundred fifty-one".