862054091 has 2 divisors, whose sum is σ = 862054092. Its totient is φ = 862054090.

The previous prime is 862054057. The next prime is 862054121. The reversal of 862054091 is 190450268.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 862054091 - 2⁶ = 862054027 is a prime.

It is not a weakly prime, because it can be changed into another prime (862054021) 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, 431027045 + 431027046.

It is an arithmetic number, because the mean of its divisors is an integer number (431027046).

Almost surely, 2^862054091 is an apocalyptic number.

862054091 is a deficient number, since it is larger than the sum of its proper divisors (1).

862054091 is an equidigital number, since it uses as much as digits as its factorization.

862054091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 862054091 is about 29360.7576707414. The cubic root of 862054091 is about 951.7250617647.

The spelling of 862054091 in words is "eight hundred sixty-two million, fifty-four thousand, ninety-one".