825447265 has 8 divisors (see below), whose sum is σ = 990693288. Its totient is φ = 660253440.

The previous prime is 825447263. The next prime is 825447269. The reversal of 825447265 is 562744528.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25010001 + 800437264 = 5001^2 + 28292^2 .

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

It is not a de Polignac number, because 825447265 - 2¹ = 825447263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825447263) 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, 46249 + ... + 61561.

It is an arithmetic number, because the mean of its divisors is an integer number (123836661).

Almost surely, 2^825447265 is an apocalyptic number.

It is an amenable number.

825447265 is a deficient number, since it is larger than the sum of its proper divisors (165246023).

825447265 is a wasteful number, since it uses less digits than its factorization.

825447265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26099.

The product of its digits is 537600, while the sum is 43.

The square root of 825447265 is about 28730.5980619966. The cubic root of 825447265 is about 938.0581858726.

The spelling of 825447265 in words is "eight hundred twenty-five million, four hundred forty-seven thousand, two hundred sixty-five".