200528225 has 6 divisors (see below), whose sum is σ = 248655030. Its totient is φ = 160422560.

The previous prime is 200528213. The next prime is 200528227. The reversal of 200528225 is 522825002.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10942864 + 189585361 = 3308^2 + 13769^2 .

It is not a de Polignac number, because 200528225 - 2⁸ = 200527969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200528194 and 200528203.

It is not an unprimeable number, because it can be changed into a prime (200528227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4010540 + ... + 4010589.

It is an arithmetic number, because the mean of its divisors is an integer number (41442505).

Almost surely, 2^200528225 is an apocalyptic number.

200528225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200528225 is a deficient number, since it is larger than the sum of its proper divisors (48126805).

200528225 is an equidigital number, since it uses as much as digits as its factorization.

200528225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021139 (or 8021134 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 200528225 is about 14160.7988828314. The cubic root of 200528225 is about 585.3179414718.

The spelling of 200528225 in words is "two hundred million, five hundred twenty-eight thousand, two hundred twenty-five".