513094894 has 16 divisors (see below), whose sum is σ = 829528560. Its totient is φ = 236617920.

The previous prime is 513094891. The next prime is 513094913. The reversal of 513094894 is 498490315.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 513094894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513094891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26877 + ... + 41815.

It is an arithmetic number, because the mean of its divisors is an integer number (51845535).

Almost surely, 2^513094894 is an apocalyptic number.

513094894 is a deficient number, since it is larger than the sum of its proper divisors (316433666).

513094894 is a wasteful number, since it uses less digits than its factorization.

513094894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16275.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 513094894 is about 22651.5980451711. The cubic root of 513094894 is about 800.5698512822.

The spelling of 513094894 in words is "five hundred thirteen million, ninety-four thousand, eight hundred ninety-four".