513644106 has 16 divisors (see below), whose sum is σ = 1049145984. Its totient is φ = 167571744.

The previous prime is 513644083. The next prime is 513644107. The reversal of 513644106 is 601446315.

It is not an unprimeable number, because it can be changed into a prime (513644107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910435 + ... + 910998.

It is an arithmetic number, because the mean of its divisors is an integer number (65571624).

Almost surely, 2^513644106 is an apocalyptic number.

513644106 is an abundant number, since it is smaller than the sum of its proper divisors (535501878).

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

513644106 is a wasteful number, since it uses less digits than its factorization.

513644106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821485.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 513644106 is about 22663.7178326946. The cubic root of 513644106 is about 800.8553902667.

The spelling of 513644106 in words is "five hundred thirteen million, six hundred forty-four thousand, one hundred six".