825972107 has 2 divisors, whose sum is σ = 825972108. Its totient is φ = 825972106.

The previous prime is 825972089. The next prime is 825972131. The reversal of 825972107 is 701279528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 825972107 - 2⁸ = 825971851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (825972157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412986053 + 412986054.

It is an arithmetic number, because the mean of its divisors is an integer number (412986054).

Almost surely, 2^825972107 is an apocalyptic number.

825972107 is a deficient number, since it is larger than the sum of its proper divisors (1).

825972107 is an equidigital number, since it uses as much as digits as its factorization.

825972107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 825972107 is about 28739.7304615057. The cubic root of 825972107 is about 938.2569581205.

The spelling of 825972107 in words is "eight hundred twenty-five million, nine hundred seventy-two thousand, one hundred seven".