804281265 has 16 divisors (see below), whose sum is σ = 1429833600. Its totient is φ = 428949936.

The previous prime is 804281263. The next prime is 804281287. The reversal of 804281265 is 562182408.

It is not a de Polignac number, because 804281265 - 2¹ = 804281263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (804281263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2978685 + ... + 2978954.

It is an arithmetic number, because the mean of its divisors is an integer number (89364600).

Almost surely, 2^804281265 is an apocalyptic number.

It is an amenable number.

804281265 is a deficient number, since it is larger than the sum of its proper divisors (625552335).

804281265 is a wasteful number, since it uses less digits than its factorization.

804281265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957653 (or 5957647 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 804281265 is about 28359.8530496898. The cubic root of 804281265 is about 929.9708107384.

It can be divided in two parts, 804281 and 265, that added together give a triangular number (804546 = T₁₂₆₈).

The spelling of 804281265 in words is "eight hundred four million, two hundred eighty-one thousand, two hundred sixty-five".