513848245 has 8 divisors (see below), whose sum is σ = 637880760. Its totient is φ = 396903360.

The previous prime is 513848243. The next prime is 513848263. The reversal of 513848245 is 542848315.

It can be written as a sum of positive squares in 4 ways, for example, as 70408881 + 443439364 = 8391^2 + 21058^2 .

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

It is not a de Polignac number, because 513848245 - 2¹ = 513848243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513848198 and 513848207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513848243) 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, 1771746 + ... + 1772035.

It is an arithmetic number, because the mean of its divisors is an integer number (79735095).

Almost surely, 2^513848245 is an apocalyptic number.

It is an amenable number.

513848245 is a deficient number, since it is larger than the sum of its proper divisors (124032515).

513848245 is a wasteful number, since it uses less digits than its factorization.

513848245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543815.

The product of its digits is 153600, while the sum is 40.

The square root of 513848245 is about 22668.2210373906. The cubic root of 513848245 is about 800.9614716067.

The spelling of 513848245 in words is "five hundred thirteen million, eight hundred forty-eight thousand, two hundred forty-five".