513250372 has 12 divisors (see below), whose sum is σ = 902111980. Its totient is φ = 255504096.

The previous prime is 513250369. The next prime is 513250373. The reversal of 513250372 is 273052315.

It can be written as a sum of positive squares in 2 ways, for example, as 475501636 + 37748736 = 21806^2 + 6144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 513250372.

It is not an unprimeable number, because it can be changed into a prime (513250373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279243 + ... + 281074.

Almost surely, 2^513250372 is an apocalyptic number.

It is an amenable number.

513250372 is a deficient number, since it is larger than the sum of its proper divisors (388861608).

513250372 is a wasteful number, since it uses less digits than its factorization.

513250372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560550 (or 560548 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 513250372 is about 22655.0297285172. The cubic root of 513250372 is about 800.6507060003.

The spelling of 513250372 in words is "five hundred thirteen million, two hundred fifty thousand, three hundred seventy-two".