825370017 has 4 divisors (see below), whose sum is σ = 1100493360. Its totient is φ = 550246676.

The previous prime is 825370001. The next prime is 825370027. The reversal of 825370017 is 710073528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 825370017 - 2⁴ = 825370001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 825370017.

It is not an unprimeable number, because it can be changed into a prime (825370027) 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, 137561667 + ... + 137561672.

It is an arithmetic number, because the mean of its divisors is an integer number (275123340).

Almost surely, 2^825370017 is an apocalyptic number.

It is an amenable number.

825370017 is a deficient number, since it is larger than the sum of its proper divisors (275123343).

825370017 is a wasteful number, since it uses less digits than its factorization.

825370017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275123342.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 825370017 is about 28729.2536798296. The cubic root of 825370017 is about 938.0289227962.

The spelling of 825370017 in words is "eight hundred twenty-five million, three hundred seventy thousand, seventeen".