513409799 has 12 divisors (see below), whose sum is σ = 607357800. Its totient is φ = 432604368.

The previous prime is 513409763. The next prime is 513409801. The reversal of 513409799 is 997904315.

It is not a de Polignac number, because 513409799 - 2¹² = 513405703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513409709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85904 + ... + 91685.

It is an arithmetic number, because the mean of its divisors is an integer number (50613150).

Almost surely, 2^513409799 is an apocalyptic number.

513409799 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

513409799 is a deficient number, since it is larger than the sum of its proper divisors (93948001).

513409799 is a wasteful number, since it uses less digits than its factorization.

513409799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177662 (or 177655 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 513409799 is about 22658.5480337995. The cubic root of 513409799 is about 800.7335974004.

The spelling of 513409799 in words is "five hundred thirteen million, four hundred nine thousand, seven hundred ninety-nine".