804519061 has 2 divisors, whose sum is σ = 804519062. Its totient is φ = 804519060.

The previous prime is 804519031. The next prime is 804519119. The reversal of 804519061 is 160915408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 557432100 + 247086961 = 23610^2 + 15719^2 .

It is a cyclic number.

It is not a de Polignac number, because 804519061 - 2⁵ = 804519029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804519031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402259530 + 402259531.

It is an arithmetic number, because the mean of its divisors is an integer number (402259531).

Almost surely, 2^804519061 is an apocalyptic number.

It is an amenable number.

804519061 is a deficient number, since it is larger than the sum of its proper divisors (1).

804519061 is an equidigital number, since it uses as much as digits as its factorization.

804519061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 804519061 is about 28364.0452157304. The cubic root of 804519061 is about 930.0624542788.

The spelling of 804519061 in words is "eight hundred four million, five hundred nineteen thousand, sixty-one".