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1425125 = 5313877
BaseRepresentation
bin101011011111011100101
32200101220102
411123323211
5331101000
650313445
715053612
oct5337345
92611812
101425125
11893799
12588885
133ab890
14291509
151d23d5
hex15bee5

1425125 has 16 divisors (see below), whose sum is σ = 1917552. Its totient is φ = 1051200.

The previous prime is 1425121. The next prime is 1425139. The reversal of 1425125 is 5215241.

1425125 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 8 ways, for example, as 470596 + 954529 = 686^2 + 977^2 .

It is not a de Polignac number, because 1425125 - 22 = 1425121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1425097 and 1425106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425121) 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, 1187 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (119847).

21425125 is an apocalyptic number.

It is an amenable number.

1425125 is a deficient number, since it is larger than the sum of its proper divisors (492427).

1425125 is an equidigital number, since it uses as much as digits as its factorization.

1425125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 895 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 1425125 is about 1193.7859942217. The cubic root of 1425125 is about 112.5341460136.

The spelling of 1425125 in words is "one million, four hundred twenty-five thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 325 877 1625 4385 11401 21925 57005 109625 285025 1425125