513112249 has 16 divisors (see below), whose sum is σ = 571322752. Its totient is φ = 457809408.

The previous prime is 513112247. The next prime is 513112277. The reversal of 513112249 is 942211315.

It is a cyclic number.

It is not a de Polignac number, because 513112249 - 2¹ = 513112247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513112247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 49492 + ... + 58954.

It is an arithmetic number, because the mean of its divisors is an integer number (35707672).

Almost surely, 2^513112249 is an apocalyptic number.

It is an amenable number.

513112249 is a deficient number, since it is larger than the sum of its proper divisors (58210503).

513112249 is a wasteful number, since it uses less digits than its factorization.

513112249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9616.

The product of its digits is 2160, while the sum is 28.

The square root of 513112249 is about 22651.9811274864. The cubic root of 513112249 is about 800.5788773794.

The spelling of 513112249 in words is "five hundred thirteen million, one hundred twelve thousand, two hundred forty-nine".