513239982 has 8 divisors (see below), whose sum is σ = 1026479976. Its totient is φ = 171079992.

The previous prime is 513239977. The next prime is 513239983. The reversal of 513239982 is 289932315.

It is a sphenic number, since it is the product of 3 distinct primes.

513239982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513239983) 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 3 ways as a sum of consecutive naturals, for example, 42769993 + ... + 42770004.

It is an arithmetic number, because the mean of its divisors is an integer number (128309997).

Almost surely, 2^513239982 is an apocalyptic number.

513239982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

513239982 is a wasteful number, since it uses less digits than its factorization.

513239982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85540002.

The product of its digits is 116640, while the sum is 42.

The square root of 513239982 is about 22654.8004184544. The cubic root of 513239982 is about 800.6453032979.

The spelling of 513239982 in words is "five hundred thirteen million, two hundred thirty-nine thousand, nine hundred eighty-two".