200081025 has 81 divisors (see below), whose sum is σ = 383986057. Its totient is φ = 99580800.

The previous prime is 200081023. The next prime is 200081029. The reversal of 200081025 is 520180002.

The square root of 200081025 is 14145.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 84217329 + 115863696 = 9177^2 + 10764^2 .

It is not a de Polignac number, because 200081025 - 2¹ = 200081023 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200080989 and 200081007.

It is not an unprimeable number, because it can be changed into a prime (200081023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4880005 + ... + 4880045.

Almost surely, 2^200081025 is an apocalyptic number.

200081025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

200081025 is the 14145-th square number.

200081025 is the 7073-rd centered octagonal number.

It is an amenable number.

200081025 is a deficient number, since it is larger than the sum of its proper divisors (183905032).

200081025 is a wasteful number, since it uses less digits than its factorization.

200081025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The cubic root of 200081025 is about 584.8825098261.

The spelling of 200081025 in words is "two hundred million, eighty-one thousand, twenty-five".