513250970 has 16 divisors (see below), whose sum is σ = 924474600. Its totient is φ = 205161984.

The previous prime is 513250937. The next prime is 513250981. The reversal of 513250970 is 79052315.

It can be written as a sum of positive squares in 4 ways, for example, as 122832889 + 390418081 = 11083^2 + 19759^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995 + ... + 32054.

Almost surely, 2^513250970 is an apocalyptic number.

513250970 is a deficient number, since it is larger than the sum of its proper divisors (411223630).

513250970 is a wasteful number, since it uses less digits than its factorization.

513250970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34609.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 513250970 is about 22655.0429264656. The cubic root of 513250970 is about 800.6510169525.

The spelling of 513250970 in words is "five hundred thirteen million, two hundred fifty thousand, nine hundred seventy".