513646006 has 8 divisors (see below), whose sum is σ = 795322944. Its totient is φ = 248538360.

The previous prime is 513645983. The next prime is 513646009. The reversal of 513646006 is 600646315.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513646009) 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, 4142245 + ... + 4142368.

It is an arithmetic number, because the mean of its divisors is an integer number (99415368).

Almost surely, 2^513646006 is an apocalyptic number.

513646006 is a deficient number, since it is larger than the sum of its proper divisors (281676938).

513646006 is a wasteful number, since it uses less digits than its factorization.

513646006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8284646.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 513646006 is about 22663.7597498738. The cubic root of 513646006 is about 800.8563777360.

The spelling of 513646006 in words is "five hundred thirteen million, six hundred forty-six thousand, six".