853025801 has 2 divisors, whose sum is σ = 853025802. Its totient is φ = 853025800.

The previous prime is 853025743. The next prime is 853025819. The reversal of 853025801 is 108520358.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 621255625 + 231770176 = 24925^2 + 15224^2 .

It is a cyclic number.

It is not a de Polignac number, because 853025801 - 2²² = 848831497 is a prime.

It is not a weakly prime, because it can be changed into another prime (853025851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426512900 + 426512901.

It is an arithmetic number, because the mean of its divisors is an integer number (426512901).

Almost surely, 2^853025801 is an apocalyptic number.

It is an amenable number.

853025801 is a deficient number, since it is larger than the sum of its proper divisors (1).

853025801 is an equidigital number, since it uses as much as digits as its factorization.

853025801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 853025801 is about 29206.6054343876. The cubic root of 853025801 is about 948.3909237881.

The spelling of 853025801 in words is "eight hundred fifty-three million, twenty-five thousand, eight hundred one".