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2065597 is a prime number
BaseRepresentation
bin111111000010010111101
310212221110121
413320102331
51012044342
6112134541
723362102
oct7702275
93787417
102065597
111190a06
12837451
13574261
143baaa9
152ac067
hex1f84bd

2065597 has 2 divisors, whose sum is σ = 2065598. Its totient is φ = 2065596.

The previous prime is 2065579. The next prime is 2065627. The reversal of 2065597 is 7955602.

2065597 is nontrivially palindromic in base 4.

Together with previous prime (2065579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1466521 + 599076 = 1211^2 + 774^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065597 - 211 = 2063549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2065577) 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 as a sum of consecutive naturals, namely, 1032798 + 1032799.

It is an arithmetic number, because the mean of its divisors is an integer number (1032799).

22065597 is an apocalyptic number.

It is an amenable number.

2065597 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065597 is an equidigital number, since it uses as much as digits as its factorization.

2065597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 2065597 is about 1437.2184941755. The cubic root of 2065597 is about 127.3547647805.

It can be divided in two parts, 2065 and 597, that added together give a palindrome (2662).

The spelling of 2065597 in words is "two million, sixty-five thousand, five hundred ninety-seven".