8557459 has 2 divisors, whose sum is σ = 8557460. Its totient is φ = 8557458.

The previous prime is 8557447. The next prime is 8557463. The reversal of 8557459 is 9547558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8557459 - 2²³ = 168851 is a prime.

It is not a weakly prime, because it can be changed into another prime (8557469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4278729 + 4278730.

It is an arithmetic number, because the mean of its divisors is an integer number (4278730).

Almost surely, 2^8557459 is an apocalyptic number.

8557459 is a deficient number, since it is larger than the sum of its proper divisors (1).

8557459 is an equidigital number, since it uses as much as digits as its factorization.

8557459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 43.

The square root of 8557459 is about 2925.3134874745. The cubic root of 8557459 is about 204.5415812450.

Subtracting 8557459 from its reverse (9547558), we obtain a palindrome (990099).

The spelling of 8557459 in words is "eight million, five hundred fifty-seven thousand, four hundred fifty-nine".