1017225 has 48 divisors (see below), whose sum is σ = 2053440. Its totient is φ = 489600.
The previous prime is 1017209. The next prime is 1017227. The reversal of 1017225 is 5227101.
1017225 = 403 + 413 + ... + 503.
1017225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1017225 - 24 = 1017209 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1017198 and 1017207.
It is not an unprimeable number, because it can be changed into a prime (1017227) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7357 + ... + 7493.
It is an arithmetic number, because the mean of its divisors is an integer number (42780).
21017225 is an apocalyptic number.
1017225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1017225 is an abundant number, since it is smaller than the sum of its proper divisors (1036215).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1017225 is a wasteful number, since it uses less digits than its factorization.
1017225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167 (or 156 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 18.
The square root of 1017225 is about 1008.5757284409. The cubic root of 1017225 is about 100.5709011826.
The spelling of 1017225 in words is "one million, seventeen thousand, two hundred twenty-five".
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