1345025 has 24 divisors (see below), whose sum is σ = 1871904. Its totient is φ = 950400.
The previous prime is 1345013. The next prime is 1345027. The reversal of 1345025 is 5205431.
It is not a de Polignac number, because 1345025 - 24 = 1345009 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1344988 and 1345006.
It is not an unprimeable number, because it can be changed into a prime (1345027) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18389 + ... + 18461.
It is an arithmetic number, because the mean of its divisors is an integer number (77996).
21345025 is an apocalyptic number.
It is an amenable number.
1345025 is a deficient number, since it is larger than the sum of its proper divisors (526879).
1345025 is a wasteful number, since it uses less digits than its factorization.
1345025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161 (or 156 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 1345025 is about 1159.7521286896. The cubic root of 1345025 is about 110.3850144629.
The spelling of 1345025 in words is "one million, three hundred forty-five thousand, twenty-five".
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