513212026 has 8 divisors (see below), whose sum is σ = 770758164. Its totient is φ = 256292640.

The previous prime is 513211999. The next prime is 513212033. The reversal of 513212026 is 620212315.

It can be written as a sum of positive squares in 2 ways, for example, as 495107001 + 18105025 = 22251^2 + 4255^2 .

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 = 513211988 and 513212006.

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, 154635 + ... + 157918.

Almost surely, 2^513212026 is an apocalyptic number.

513212026 is a deficient number, since it is larger than the sum of its proper divisors (257546138).

513212026 is a wasteful number, since it uses less digits than its factorization.

513212026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313376.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 513212026 is about 22654.1834105756. The cubic root of 513212026 is about 800.6307660787.

The spelling of 513212026 in words is "five hundred thirteen million, two hundred twelve thousand, twenty-six".