854912081 has 2 divisors, whose sum is σ = 854912082. Its totient is φ = 854912080.

The previous prime is 854912063. The next prime is 854912143. The reversal of 854912081 is 180219458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 844774225 + 10137856 = 29065^2 + 3184^2 .

It is a cyclic number.

It is not a de Polignac number, because 854912081 - 2¹⁴ = 854895697 is a prime.

It is a super-2 number, since 2×854912081² = 1461749332479501122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (854912021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427456040 + 427456041.

It is an arithmetic number, because the mean of its divisors is an integer number (427456041).

Almost surely, 2^854912081 is an apocalyptic number.

It is an amenable number.

854912081 is a deficient number, since it is larger than the sum of its proper divisors (1).

854912081 is an equidigital number, since it uses as much as digits as its factorization.

854912081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 854912081 is about 29238.8796125980. The cubic root of 854912081 is about 949.0894621900.

The spelling of 854912081 in words is "eight hundred fifty-four million, nine hundred twelve thousand, eighty-one".