513959797 has 16 divisors (see below), whose sum is σ = 565044480. Its totient is φ = 464588352.

The previous prime is 513959791. The next prime is 513959813. The reversal of 513959797 is 797959315.

It is a cyclic number.

It is not a de Polignac number, because 513959797 - 2⁷ = 513959669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513959791) 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 15 ways as a sum of consecutive naturals, for example, 223588 + ... + 225874.

It is an arithmetic number, because the mean of its divisors is an integer number (35315280).

Almost surely, 2^513959797 is an apocalyptic number.

It is an amenable number.

513959797 is a deficient number, since it is larger than the sum of its proper divisors (51084683).

513959797 is a wasteful number, since it uses less digits than its factorization.

513959797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652.

The product of its digits is 2679075, while the sum is 55.

The square root of 513959797 is about 22670.6814410154. The cubic root of 513959797 is about 801.0194280105.

The spelling of 513959797 in words is "five hundred thirteen million, nine hundred fifty-nine thousand, seven hundred ninety-seven".