513403432 has 16 divisors (see below), whose sum is σ = 966470400. Its totient is φ = 255678000.

The previous prime is 513403411. The next prime is 513403459. The reversal of 513403432 is 234304315.

It is a junction number, because it is equal to n+sod(n) for n = 513403397 and 513403406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125832 + ... + 129847.

It is an arithmetic number, because the mean of its divisors is an integer number (60404400).

Almost surely, 2^513403432 is an apocalyptic number.

It is an amenable number.

513403432 is a deficient number, since it is larger than the sum of its proper divisors (453066968).

513403432 is a wasteful number, since it uses less digits than its factorization.

513403432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255936 (or 255932 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 513403432 is about 22658.4075345113. The cubic root of 513403432 is about 800.7302873144.

Adding to 513403432 its reverse (234304315), we get a palindrome (747707747).

The spelling of 513403432 in words is "five hundred thirteen million, four hundred three thousand, four hundred thirty-two".