250525 has 12 divisors (see below), whose sum is σ = 339264. Its totient is φ = 182000.
The previous prime is 250501. The next prime is 250543. The reversal of 250525 is 525052.
It is not a de Polignac number, because 250525 - 29 = 250013 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181 + ... + 730.
It is an arithmetic number, because the mean of its divisors is an integer number (28272).
2250525 is an apocalyptic number.
250525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
250525 is a deficient number, since it is larger than the sum of its proper divisors (88739).
250525 is a wasteful number, since it uses less digits than its factorization.
250525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 932 (or 927 counting only the distinct ones).
The product of its (nonzero) digits is 500, while the sum is 19.
The square root of 250525 is about 500.5247246640. The cubic root of 250525 is about 63.0401188994.
Adding to 250525 its reverse (525052), we get a palindrome (775577).
The spelling of 250525 in words is "two hundred fifty thousand, five hundred twenty-five".
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