513628490 has 8 divisors (see below), whose sum is σ = 924531300. Its totient is φ = 205451392.

The previous prime is 513628471. The next prime is 513628517. The reversal of 513628490 is 94826315.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 436768201 + 76860289 = 20899^2 + 8767^2 .

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

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, 25681415 + ... + 25681434.

Almost surely, 2^513628490 is an apocalyptic number.

513628490 is a deficient number, since it is larger than the sum of its proper divisors (410902810).

513628490 is a wasteful number, since it uses less digits than its factorization.

513628490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51362856.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 513628490 is about 22663.3733146679. The cubic root of 513628490 is about 800.8472742162.

The spelling of 513628490 in words is "five hundred thirteen million, six hundred twenty-eight thousand, four hundred ninety".