1525065 has 16 divisors (see below), whose sum is σ = 2455488. Its totient is φ = 808256.
The previous prime is 1525063. The next prime is 1525067. The reversal of 1525065 is 5605251.
It is an interprime number because it is at equal distance from previous prime (1525063) and next prime (1525067).
It is a cyclic number.
It is not a de Polignac number, because 1525065 - 21 = 1525063 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1525063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4222 + ... + 4568.
It is an arithmetic number, because the mean of its divisors is an integer number (153468).
21525065 is an apocalyptic number.
1525065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1525065 is a deficient number, since it is larger than the sum of its proper divisors (930423).
1525065 is a wasteful number, since it uses less digits than its factorization.
1525065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 648.
The product of its (nonzero) digits is 1500, while the sum is 24.
The square root of 1525065 is about 1234.9352209731. The cubic root of 1525065 is about 115.1055112305.
The spelling of 1525065 in words is "one million, five hundred twenty-five thousand, sixty-five".
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