800045125 has 32 divisors (see below), whose sum is σ = 1092693888. Its totient is φ = 580000000.

The previous prime is 800045107. The next prime is 800045161. The reversal of 800045125 is 521540008.

It is not a de Polignac number, because 800045125 - 2⁵ = 800045093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 800045125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550650 + ... + 552100.

It is an arithmetic number, because the mean of its divisors is an integer number (34146684).

Almost surely, 2^800045125 is an apocalyptic number.

It is an amenable number.

800045125 is a deficient number, since it is larger than the sum of its proper divisors (292648763).

800045125 is a wasteful number, since it uses less digits than its factorization.

800045125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 800045125 is about 28285.0689410509. The cubic root of 800045125 is about 928.3352207024.

It can be divided in two parts, 8000 and 45125, that multiplied together give a square (361000000 = 19000²).

The spelling of 800045125 in words is "eight hundred million, forty-five thousand, one hundred twenty-five".