200091425 has 6 divisors (see below), whose sum is σ = 248113398. Its totient is φ = 160073120.

The previous prime is 200091401. The next prime is 200091431. The reversal of 200091425 is 524190002.

It can be written as a sum of positive squares in 3 ways, for example, as 6436369 + 193655056 = 2537^2 + 13916^2 .

It is not a de Polignac number, because 200091425 - 2¹⁸ = 199829281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200091425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4001804 + ... + 4001853.

It is an arithmetic number, because the mean of its divisors is an integer number (41352233).

Almost surely, 2^200091425 is an apocalyptic number.

200091425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200091425 is a deficient number, since it is larger than the sum of its proper divisors (48021973).

200091425 is an equidigital number, since it uses as much as digits as its factorization.

200091425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003667 (or 8003662 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 200091425 is about 14145.3676162905. The cubic root of 200091425 is about 584.8926435085.

The spelling of 200091425 in words is "two hundred million, ninety-one thousand, four hundred twenty-five".