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1325965 = 5265193
BaseRepresentation
bin101000011101110001101
32111100212211
411003232031
5314412330
644230421
714161534
oct5035615
92440784
101325965
11826243
1253b411
133756c4
1426731b
151b2d2a
hex143b8d

1325965 has 4 divisors (see below), whose sum is σ = 1591164. Its totient is φ = 1060768.

The previous prime is 1325959. The next prime is 1325977. The reversal of 1325965 is 5695231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5695231 = 19299749.

It can be written as a sum of positive squares in 2 ways, for example, as 217156 + 1108809 = 466^2 + 1053^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325965 - 213 = 1317773 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132592 + ... + 132601.

It is an arithmetic number, because the mean of its divisors is an integer number (397791).

21325965 is an apocalyptic number.

It is an amenable number.

1325965 is a deficient number, since it is larger than the sum of its proper divisors (265199).

1325965 is an equidigital number, since it uses as much as digits as its factorization.

1325965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265198.

The product of its digits is 8100, while the sum is 31.

The square root of 1325965 is about 1151.5055362437. The cubic root of 1325965 is about 109.8611194960.

The spelling of 1325965 in words is "one million, three hundred twenty-five thousand, nine hundred sixty-five".

Divisors: 1 5 265193 1325965