800000025 has 48 divisors (see below), whose sum is σ = 1527812928. Its totient is φ = 365056000.

The previous prime is 800000011. The next prime is 800000027. The reversal of 800000025 is 520000008.

800000025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 800000025 - 2⁷ = 799999897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (800000027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14496 + ... + 42545.

It is an arithmetic number, because the mean of its divisors is an integer number (31829436).

Almost surely, 2^800000025 is an apocalyptic number.

800000025 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

800000025 is a deficient number, since it is larger than the sum of its proper divisors (727812903).

800000025 is a wasteful number, since it uses less digits than its factorization.

800000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57082 (or 57077 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 800000025 is about 28284.2716894036. The cubic root of 800000025 is about 928.3177763925.

800000025 divided by its sum of digits (15) gives a palindrome (53333335).

The spelling of 800000025 in words is "eight hundred million, twenty-five", and thus it is an aban number.