513274303 has 16 divisors (see below), whose sum is σ = 548402400. Its totient is φ = 479001600.

The previous prime is 513274283. The next prime is 513274331. The reversal of 513274303 is 303472315.

It is a cyclic number.

It is not a de Polignac number, because 513274303 - 2¹⁷ = 513143231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513274373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731853 + ... + 732553.

It is an arithmetic number, because the mean of its divisors is an integer number (34275150).

Almost surely, 2^513274303 is an apocalyptic number.

513274303 is a deficient number, since it is larger than the sum of its proper divisors (35128097).

513274303 is a wasteful number, since it uses less digits than its factorization.

513274303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 513274303 is about 22655.5578832215. The cubic root of 513274303 is about 800.6631496180.

The spelling of 513274303 in words is "five hundred thirteen million, two hundred seventy-four thousand, three hundred three".