85354459 has 2 divisors, whose sum is σ = 85354460. Its totient is φ = 85354458.

The previous prime is 85354429. The next prime is 85354481. The reversal of 85354459 is 95445358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85354459 - 2¹¹ = 85352411 is a prime.

It is not a weakly prime, because it can be changed into another prime (85354429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42677229 + 42677230.

It is an arithmetic number, because the mean of its divisors is an integer number (42677230).

Almost surely, 2^85354459 is an apocalyptic number.

85354459 is a deficient number, since it is larger than the sum of its proper divisors (1).

85354459 is an equidigital number, since it uses as much as digits as its factorization.

85354459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 43.

The square root of 85354459 is about 9238.7476965225. The cubic root of 85354459 is about 440.2932944666.

The spelling of 85354459 in words is "eighty-five million, three hundred fifty-four thousand, four hundred fifty-nine".