854356541 has 2 divisors, whose sum is σ = 854356542. Its totient is φ = 854356540.

The previous prime is 854356493. The next prime is 854356543. The reversal of 854356541 is 145653458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 590976100 + 263380441 = 24310^2 + 16229^2 .

It is a cyclic number.

It is not a de Polignac number, because 854356541 - 2²² = 850162237 is a prime.

Together with 854356543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854356543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427178270 + 427178271.

It is an arithmetic number, because the mean of its divisors is an integer number (427178271).

Almost surely, 2^854356541 is an apocalyptic number.

It is an amenable number.

854356541 is a deficient number, since it is larger than the sum of its proper divisors (1).

854356541 is an equidigital number, since it uses as much as digits as its factorization.

854356541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288000, while the sum is 41.

The square root of 854356541 is about 29229.3780467529. The cubic root of 854356541 is about 948.8838381575.

The spelling of 854356541 in words is "eight hundred fifty-four million, three hundred fifty-six thousand, five hundred forty-one".