513425232 has 60 divisors (see below), whose sum is σ = 1438508500. Its totient is φ = 170947584.

The previous prime is 513425219. The next prime is 513425249. The reversal of 513425232 is 232524315.

It is a happy number.

513425232 is a `hidden beast` number, since 5 + 1 + 3 + 425 + 232 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 331822656 + 181602576 = 18216^2 + 13476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 513425196 and 513425205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185394 + ... + 188142.

Almost surely, 2^513425232 is an apocalyptic number.

It is an amenable number.

513425232 is an abundant number, since it is smaller than the sum of its proper divisors (925083268).

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

513425232 is a wasteful number, since it uses less digits than its factorization.

513425232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060 (or 4051 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 513425232 is about 22658.8885870424. Note that the first 3 decimals coincide. The cubic root of 513425232 is about 800.7416206195.

Adding to 513425232 its reverse (232524315), we get a palindrome (745949547).

The spelling of 513425232 in words is "five hundred thirteen million, four hundred twenty-five thousand, two hundred thirty-two".