513232426 has 8 divisors (see below), whose sum is σ = 879827040. Its totient is φ = 219956748.

The previous prime is 513232403. The next prime is 513232463. The reversal of 513232426 is 624232315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 513232394 and 513232403.

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, 18329716 + ... + 18329743.

It is an arithmetic number, because the mean of its divisors is an integer number (109978380).

Almost surely, 2^513232426 is an apocalyptic number.

513232426 is a deficient number, since it is larger than the sum of its proper divisors (366594614).

513232426 is a wasteful number, since it uses less digits than its factorization.

513232426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36659468.

The product of its digits is 8640, while the sum is 28.

The square root of 513232426 is about 22654.6336540673. The cubic root of 513232426 is about 800.6413742032.

The spelling of 513232426 in words is "five hundred thirteen million, two hundred thirty-two thousand, four hundred twenty-six".