513284798 has 8 divisors (see below), whose sum is σ = 829152408. Its totient is φ = 236900664.

The previous prime is 513284797. The next prime is 513284803. The reversal of 513284798 is 897482315.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×513284798² = 526922567715801608, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513284797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9870836 + ... + 9870887.

It is an arithmetic number, because the mean of its divisors is an integer number (103644051).

Almost surely, 2^513284798 is an apocalyptic number.

513284798 is a deficient number, since it is larger than the sum of its proper divisors (315867610).

513284798 is a wasteful number, since it uses less digits than its factorization.

513284798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19741738.

The product of its digits is 483840, while the sum is 47.

The square root of 513284798 is about 22655.7895029063. The cubic root of 513284798 is about 800.6686066757.

The spelling of 513284798 in words is "five hundred thirteen million, two hundred eighty-four thousand, seven hundred ninety-eight".