828513041 has 4 divisors (see below), whose sum is σ = 842095284. Its totient is φ = 814930800.

The previous prime is 828513017. The next prime is 828513067. The reversal of 828513041 is 140315828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44289025 + 784224016 = 6655^2 + 28004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828513041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 828512989 and 828513007.

It is not an unprimeable number, because it can be changed into a prime (828513001) 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, 6791030 + ... + 6791151.

It is an arithmetic number, because the mean of its divisors is an integer number (210523821).

Almost surely, 2^828513041 is an apocalyptic number.

It is an amenable number.

828513041 is a deficient number, since it is larger than the sum of its proper divisors (13582243).

828513041 is a wasteful number, since it uses less digits than its factorization.

828513041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13582242.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 828513041 is about 28783.9024630087. The cubic root of 828513041 is about 939.2180916646.

Adding to 828513041 its reverse (140315828), we get a palindrome (968828869).

The spelling of 828513041 in words is "eight hundred twenty-eight million, five hundred thirteen thousand, forty-one".