512045738 has 8 divisors (see below), whose sum is σ = 788827332. Its totient is φ = 249103296.

The previous prime is 512045713. The next prime is 512045753. The reversal of 512045738 is 837540215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 477553609 + 34492129 = 21853^2 + 5873^2 .

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 = 512045698 and 512045707.

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, 3459695 + ... + 3459842.

Almost surely, 2^512045738 is an apocalyptic number.

512045738 is a deficient number, since it is larger than the sum of its proper divisors (276781594).

512045738 is a wasteful number, since it uses less digits than its factorization.

512045738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6919576.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 512045738 is about 22628.4276519603. The cubic root of 512045738 is about 800.0238211657.

The spelling of 512045738 in words is "five hundred twelve million, forty-five thousand, seven hundred thirty-eight".