804949559 has 2 divisors, whose sum is σ = 804949560. Its totient is φ = 804949558.

The previous prime is 804949547. The next prime is 804949571. The reversal of 804949559 is 955949408.

It is a balanced prime because it is at equal distance from previous prime (804949547) and next prime (804949571).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804949559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 804949559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804946559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402474779 + 402474780.

It is an arithmetic number, because the mean of its divisors is an integer number (402474780).

Almost surely, 2^804949559 is an apocalyptic number.

804949559 is a deficient number, since it is larger than the sum of its proper divisors (1).

804949559 is an equidigital number, since it uses as much as digits as its factorization.

804949559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 804949559 is about 28371.6329984723. The cubic root of 804949559 is about 930.2283167801.

It can be divided in two parts, 804949 and 559, that added together give a palindrome (805508).

The spelling of 804949559 in words is "eight hundred four million, nine hundred forty-nine thousand, five hundred fifty-nine".