515065042 has 8 divisors (see below), whose sum is σ = 791441532. Its totient is φ = 251251200.

The previous prime is 515065037. The next prime is 515065079. The reversal of 515065042 is 240560515.

It can be written as a sum of positive squares in 2 ways, for example, as 472149441 + 42915601 = 21729^2 + 6551^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 515065042.

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, 3140559 + ... + 3140722.

Almost surely, 2^515065042 is an apocalyptic number.

515065042 is a deficient number, since it is larger than the sum of its proper divisors (276376490).

515065042 is a wasteful number, since it uses less digits than its factorization.

515065042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281324.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 515065042 is about 22695.0444370572. The cubic root of 515065042 is about 801.5932010733.

The spelling of 515065042 in words is "five hundred fifteen million, sixty-five thousand, forty-two".