854020261 has 2 divisors, whose sum is σ = 854020262. Its totient is φ = 854020260.

The previous prime is 854020253. The next prime is 854020327. The reversal of 854020261 is 162020458.

854020261 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., 696643236 + 157377025 = 26394^2 + 12545^2 .

It is a cyclic number.

It is not a de Polignac number, because 854020261 - 2³ = 854020253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854020231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427010130 + 427010131.

It is an arithmetic number, because the mean of its divisors is an integer number (427010131).

Almost surely, 2^854020261 is an apocalyptic number.

It is an amenable number.

854020261 is a deficient number, since it is larger than the sum of its proper divisors (1).

854020261 is an equidigital number, since it uses as much as digits as its factorization.

854020261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 854020261 is about 29223.6250489223. The cubic root of 854020261 is about 948.7593263109.

The spelling of 854020261 in words is "eight hundred fifty-four million, twenty thousand, two hundred sixty-one".