1425915 has 12 divisors (see below), whose sum is σ = 2471664. Its totient is φ = 760464.
The previous prime is 1425913. The next prime is 1425917. The reversal of 1425915 is 5195241.
It is an interprime number because it is at equal distance from previous prime (1425913) and next prime (1425917).
It is not a de Polignac number, because 1425915 - 21 = 1425913 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1425911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15799 + ... + 15888.
It is an arithmetic number, because the mean of its divisors is an integer number (205972).
21425915 is an apocalyptic number.
1425915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1425915 is a deficient number, since it is larger than the sum of its proper divisors (1045749).
1425915 is a wasteful number, since it uses less digits than its factorization.
1425915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31698 (or 31695 counting only the distinct ones).
The product of its digits is 1800, while the sum is 27.
The square root of 1425915 is about 1194.1168284552. The cubic root of 1425915 is about 112.5549361321.
The spelling of 1425915 in words is "one million, four hundred twenty-five thousand, nine hundred fifteen".
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