513666230 has 64 divisors (see below), whose sum is σ = 1155575808. Its totient is φ = 159711360.

The previous prime is 513666221. The next prime is 513666239. The reversal of 513666230 is 32666315.

It is an interprime number because it is at equal distance from previous prime (513666221) and next prime (513666239).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513666239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594779 + ... + 595641.

It is an arithmetic number, because the mean of its divisors is an integer number (18055872).

Almost surely, 2^513666230 is an apocalyptic number.

513666230 is an abundant number, since it is smaller than the sum of its proper divisors (641909578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513666230 is a wasteful number, since it uses less digits than its factorization.

513666230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 513666230 is about 22664.2059203494. The cubic root of 513666230 is about 800.8668884163.

The spelling of 513666230 in words is "five hundred thirteen million, six hundred sixty-six thousand, two hundred thirty".