230525 has 6 divisors (see below), whose sum is σ = 285882. Its totient is φ = 184400.
The previous prime is 230507. The next prime is 230539. The reversal of 230525 is 525032.
It can be written as a sum of positive squares in 3 ways, for example, as 52441 + 178084 = 229^2 + 422^2 .
It is not a de Polignac number, because 230525 - 214 = 214141 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
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, 4586 + ... + 4635.
It is an arithmetic number, because the mean of its divisors is an integer number (47647).
2230525 is an apocalyptic number.
230525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
230525 is a deficient number, since it is larger than the sum of its proper divisors (55357).
230525 is an equidigital number, since it uses as much as digits as its factorization.
230525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9231 (or 9226 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 17.
The square root of 230525 is about 480.1301906775. The cubic root of 230525 is about 61.3158392398.
Adding to 230525 its reverse (525032), we get a palindrome (755557).
The spelling of 230525 in words is "two hundred thirty thousand, five hundred twenty-five".
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