513122652 has 36 divisors (see below), whose sum is σ = 1482355056. Its totient is φ = 146606400.

The previous prime is 513122639. The next prime is 513122657. The reversal of 513122652 is 256221315.

It is a happy number.

513122652 is a `hidden beast` number, since 5 + 1 + 3 + 1 + 2 + 2 + 652 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513122657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1017849 + ... + 1018352.

Almost surely, 2^513122652 is an apocalyptic number.

It is an amenable number.

513122652 is an abundant number, since it is smaller than the sum of its proper divisors (969232404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513122652 is a wasteful number, since it uses less digits than its factorization.

513122652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036218 (or 2036213 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 513122652 is about 22652.2107530369. The cubic root of 513122652 is about 800.5842877392.

Adding to 513122652 its reverse (256221315), we get a palindrome (769343967).

The spelling of 513122652 in words is "five hundred thirteen million, one hundred twenty-two thousand, six hundred fifty-two".