804056901 has 4 divisors (see below), whose sum is σ = 1072075872. Its totient is φ = 536037932.

The previous prime is 804056893. The next prime is 804056917. The reversal of 804056901 is 109650408.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 804056901 - 2³ = 804056893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804051901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134009481 + ... + 134009486.

It is an arithmetic number, because the mean of its divisors is an integer number (268018968).

Almost surely, 2^804056901 is an apocalyptic number.

It is an amenable number.

804056901 is a deficient number, since it is larger than the sum of its proper divisors (268018971).

804056901 is a wasteful number, since it uses less digits than its factorization.

804056901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268018970.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 804056901 is about 28355.8971115357. The cubic root of 804056901 is about 929.8843271557.

The spelling of 804056901 in words is "eight hundred four million, fifty-six thousand, nine hundred one".