825201427 has 2 divisors, whose sum is σ = 825201428. Its totient is φ = 825201426.

The previous prime is 825201401. The next prime is 825201457. The reversal of 825201427 is 724102528.

It is a happy number.

825201427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825201427 is a prime.

It is not a weakly prime, because it can be changed into another prime (825201457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412600713 + 412600714.

It is an arithmetic number, because the mean of its divisors is an integer number (412600714).

Almost surely, 2^825201427 is an apocalyptic number.

825201427 is a deficient number, since it is larger than the sum of its proper divisors (1).

825201427 is an equidigital number, since it uses as much as digits as its factorization.

825201427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 825201427 is about 28726.3194126919. The cubic root of 825201427 is about 937.9650512148.

The spelling of 825201427 in words is "eight hundred twenty-five million, two hundred one thousand, four hundred twenty-seven".