869925841 has 2 divisors, whose sum is σ = 869925842. Its totient is φ = 869925840.

The previous prime is 869925821. The next prime is 869925863. The reversal of 869925841 is 148529968.

869925841 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 can be written as a sum of positive squares in only one way, i.e., 723394816 + 146531025 = 26896^2 + 12105^2 .

It is a cyclic number.

It is not a de Polignac number, because 869925841 - 2⁵ = 869925809 is a prime.

It is not a weakly prime, because it can be changed into another prime (869925821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434962920 + 434962921.

It is an arithmetic number, because the mean of its divisors is an integer number (434962921).

Almost surely, 2^869925841 is an apocalyptic number.

It is an amenable number.

869925841 is a deficient number, since it is larger than the sum of its proper divisors (1).

869925841 is an equidigital number, since it uses as much as digits as its factorization.

869925841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 52.

The square root of 869925841 is about 29494.5052679308. The cubic root of 869925841 is about 954.6131455799.

The spelling of 869925841 in words is "eight hundred sixty-nine million, nine hundred twenty-five thousand, eight hundred forty-one".