825113249 has 8 divisors (see below), whose sum is σ = 853905000. Its totient is φ = 796344192.

The previous prime is 825113243. The next prime is 825113299. The reversal of 825113249 is 942311528.

It can be written as a sum of positive squares in 4 ways, for example, as 398401600 + 426711649 = 19960^2 + 20657^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825113249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (825113243) 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, 105527 + ... + 113075.

It is an arithmetic number, because the mean of its divisors is an integer number (106738125).

Almost surely, 2^825113249 is an apocalyptic number.

It is an amenable number.

825113249 is a deficient number, since it is larger than the sum of its proper divisors (28791751).

825113249 is a wasteful number, since it uses less digits than its factorization.

825113249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11347.

The product of its digits is 17280, while the sum is 35.

The square root of 825113249 is about 28724.7845770860. The cubic root of 825113249 is about 937.9316408555.

The spelling of 825113249 in words is "eight hundred twenty-five million, one hundred thirteen thousand, two hundred forty-nine".