854601239 has 2 divisors, whose sum is σ = 854601240. Its totient is φ = 854601238.

The previous prime is 854601217. The next prime is 854601269. The reversal of 854601239 is 932106458.

It is a happy number.

854601239 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 not a de Polignac number, because 854601239 - 2⁸ = 854600983 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_43805576 and since 854601239 and 43805576 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854601269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427300619 + 427300620.

It is an arithmetic number, because the mean of its divisors is an integer number (427300620).

Almost surely, 2^854601239 is an apocalyptic number.

854601239 is a deficient number, since it is larger than the sum of its proper divisors (1).

854601239 is an equidigital number, since it uses as much as digits as its factorization.

854601239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 854601239 is about 29233.5635699789. The cubic root of 854601239 is about 948.9744200954.

The spelling of 854601239 in words is "eight hundred fifty-four million, six hundred one thousand, two hundred thirty-nine".