513052237 has 12 divisors (see below), whose sum is σ = 537516000. Its totient is φ = 489660248.

The previous prime is 513052219. The next prime is 513052289. The reversal of 513052237 is 732250315.

It is a de Polignac number, because none of the positive numbers 2^k-513052237 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 (513052207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341514 + ... + 343012.

It is an arithmetic number, because the mean of its divisors is an integer number (44793000).

Almost surely, 2^513052237 is an apocalyptic number.

It is an amenable number.

513052237 is a deficient number, since it is larger than the sum of its proper divisors (24463763).

513052237 is a wasteful number, since it uses less digits than its factorization.

513052237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192 (or 2169 counting only the distinct ones).

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

The square root of 513052237 is about 22650.6564364038. The cubic root of 513052237 is about 800.5476650973.

The spelling of 513052237 in words is "five hundred thirteen million, fifty-two thousand, two hundred thirty-seven".