803816282025 has 36 divisors (see below), whose sum is σ = 1452465242748. Its totient is φ = 424908180480.

The previous prime is 803816282021. The next prime is 803816282083. The reversal of 803816282025 is 520282618308.

803816282025 is a `hidden beast` number, since 8 + 0 + 381 + 62 + 8 + 202 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 291240470889 + 512575811136 = 539667^2 + 715944^2 .

It is not a de Polignac number, because 803816282025 - 2² = 803816282021 is a prime.

It is a super-2 number, since 2×803816282025² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (803816282021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15782172 + ... + 15833021.

It is an arithmetic number, because the mean of its divisors is an integer number (40346256743).

Almost surely, 2^803816282025 is an apocalyptic number.

It is an amenable number.

803816282025 is a deficient number, since it is larger than the sum of its proper divisors (648648960723).

803816282025 is a wasteful number, since it uses less digits than its factorization.

803816282025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31615322 (or 31615314 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 803816282025 in words is "eight hundred three billion, eight hundred sixteen million, two hundred eighty-two thousand, twenty-five".