825220927 has 2 divisors, whose sum is σ = 825220928. Its totient is φ = 825220926.

The previous prime is 825220909. The next prime is 825220931. The reversal of 825220927 is 729022528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 825220927 - 2¹⁵ = 825188159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825220937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412610463 + 412610464.

It is an arithmetic number, because the mean of its divisors is an integer number (412610464).

Almost surely, 2^825220927 is an apocalyptic number.

825220927 is a deficient number, since it is larger than the sum of its proper divisors (1).

825220927 is an equidigital number, since it uses as much as digits as its factorization.

825220927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 825220927 is about 28726.6588206843. The cubic root of 825220927 is about 937.9724393804.

The spelling of 825220927 in words is "eight hundred twenty-five million, two hundred twenty thousand, nine hundred twenty-seven".