42854089 has 2 divisors, whose sum is σ = 42854090. Its totient is φ = 42854088.

The previous prime is 42854069. The next prime is 42854107. The reversal of 42854089 is 98045824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22014864 + 20839225 = 4692^2 + 4565^2 .

It is a cyclic number.

It is not a de Polignac number, because 42854089 - 2⁷ = 42853961 is a prime.

It is not a weakly prime, because it can be changed into another prime (42854069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21427044 + 21427045.

It is an arithmetic number, because the mean of its divisors is an integer number (21427045).

Almost surely, 2^42854089 is an apocalyptic number.

It is an amenable number.

42854089 is a deficient number, since it is larger than the sum of its proper divisors (1).

42854089 is an equidigital number, since it uses as much as digits as its factorization.

42854089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 42854089 is about 6546.3034607326. The cubic root of 42854089 is about 349.9430900667.

The spelling of 42854089 in words is "forty-two million, eight hundred fifty-four thousand, eighty-nine".