825665045 has 8 divisors (see below), whose sum is σ = 1042945440. Its totient is φ = 625767120.

The previous prime is 825665039. The next prime is 825665047. The reversal of 825665045 is 540566528.

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

It is not a de Polignac number, because 825665045 - 2¹⁴ = 825648661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 825664993 and 825665011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825665047) 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, 4345511 + ... + 4345700.

It is an arithmetic number, because the mean of its divisors is an integer number (130368180).

Almost surely, 2^825665045 is an apocalyptic number.

It is an amenable number.

825665045 is a deficient number, since it is larger than the sum of its proper divisors (217280395).

825665045 is a wasteful number, since it uses less digits than its factorization.

825665045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8691235.

The product of its (nonzero) digits is 288000, while the sum is 41.

The square root of 825665045 is about 28734.3878480124. The cubic root of 825665045 is about 938.1406754339.

The spelling of 825665045 in words is "eight hundred twenty-five million, six hundred sixty-five thousand, forty-five".