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1049897 is a prime number
BaseRepresentation
bin100000000010100101001
31222100012002
410000110221
5232044042
634300345
711631632
oct4002451
91870162
101049897
11657892
124276b5
132a9b54
141d4889
1515b132
hex100529

1049897 has 2 divisors, whose sum is σ = 1049898. Its totient is φ = 1049896.

The previous prime is 1049891. The next prime is 1049899. The reversal of 1049897 is 7989401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 712336 + 337561 = 844^2 + 581^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049897 - 26 = 1049833 is a prime.

It is a super-2 number, since 2×10498972 = 2204567421218, which contains 22 as substring.

Together with 1049899, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1049897.

It is not a weakly prime, because it can be changed into another prime (1049891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524948 + 524949.

It is an arithmetic number, because the mean of its divisors is an integer number (524949).

21049897 is an apocalyptic number.

It is an amenable number.

1049897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049897 is an equidigital number, since it uses as much as digits as its factorization.

1049897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1049897 is about 1024.6448165096. The cubic root of 1049897 is about 101.6363121181.

It can be divided in two parts, 104 and 9897, that added together give a palindrome (10001).

The spelling of 1049897 in words is "one million, forty-nine thousand, eight hundred ninety-seven".