513450889 has 16 divisors (see below), whose sum is σ = 630835200. Its totient is φ = 408061584.

The previous prime is 513450877. The next prime is 513450901. The reversal of 513450889 is 988054315.

It is an interprime number because it is at equal distance from previous prime (513450877) and next prime (513450901).

It is not a de Polignac number, because 513450889 - 2⁷ = 513450761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513450809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34819 + ... + 47320.

It is an arithmetic number, because the mean of its divisors is an integer number (39427200).

Almost surely, 2^513450889 is an apocalyptic number.

It is an amenable number.

513450889 is a deficient number, since it is larger than the sum of its proper divisors (117384311).

513450889 is a wasteful number, since it uses less digits than its factorization.

513450889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82212.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 513450889 is about 22659.4547374821. The cubic root of 513450889 is about 800.7549586768.

The spelling of 513450889 in words is "five hundred thirteen million, four hundred fifty thousand, eight hundred eighty-nine".