200040125 has 8 divisors (see below), whose sum is σ = 249650232. Its totient is φ = 160032000.

The previous prime is 200040121. The next prime is 200040161. The reversal of 200040125 is 521040002.

It can be written as a sum of positive squares in 4 ways, for example, as 63664441 + 136375684 = 7979^2 + 11678^2 .

It is not a de Polignac number, because 200040125 - 2² = 200040121 is a prime.

It is a super-2 number, since 2×200040125² = 80032103220031250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200040121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800036 + ... + 800285.

It is an arithmetic number, because the mean of its divisors is an integer number (31206279).

Almost surely, 2^200040125 is an apocalyptic number.

200040125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200040125 is a deficient number, since it is larger than the sum of its proper divisors (49610107).

200040125 is an equidigital number, since it uses as much as digits as its factorization.

200040125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600336 (or 1600326 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 200040125 is about 14143.5541855645. The cubic root of 200040125 is about 584.8426537647.

Adding to 200040125 its reverse (521040002), we get a palindrome (721080127).

The spelling of 200040125 in words is "two hundred million, forty thousand, one hundred twenty-five".