825238017 has 8 divisors (see below), whose sum is σ = 1222574880. Its totient is φ = 550158660.

The previous prime is 825237991. The next prime is 825238027. The reversal of 825238017 is 710832528.

It is not a de Polignac number, because 825238017 - 2⁸ = 825237761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (825238027) 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, 15282159 + ... + 15282212.

It is an arithmetic number, because the mean of its divisors is an integer number (152821860).

Almost surely, 2^825238017 is an apocalyptic number.

It is an amenable number.

825238017 is a deficient number, since it is larger than the sum of its proper divisors (397336863).

825238017 is a wasteful number, since it uses less digits than its factorization.

825238017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30564380 (or 30564374 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 825238017 is about 28726.9562780327. The cubic root of 825238017 is about 937.9789143488.

The spelling of 825238017 in words is "eight hundred twenty-five million, two hundred thirty-eight thousand, seventeen".