513825693 has 8 divisors (see below), whose sum is σ = 693355488. Its totient is φ = 338423184.

The previous prime is 513825691. The next prime is 513825707. The reversal of 513825693 is 396528315.

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

It is not a de Polignac number, because 513825693 - 2¹ = 513825691 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513825691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031530 + ... + 1032027.

It is an arithmetic number, because the mean of its divisors is an integer number (86669436).

Almost surely, 2^513825693 is an apocalyptic number.

It is an amenable number.

513825693 is a deficient number, since it is larger than the sum of its proper divisors (179529795).

513825693 is a wasteful number, since it uses less digits than its factorization.

513825693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063643.

The product of its digits is 194400, while the sum is 42.

The square root of 513825693 is about 22667.7235954562. The cubic root of 513825693 is about 800.9497537843.

It can be divided in two parts, 51382 and 5693, that added together give a palindrome (57075).

The spelling of 513825693 in words is "five hundred thirteen million, eight hundred twenty-five thousand, six hundred ninety-three".