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1053181 is a prime number
BaseRepresentation
bin100000001000111111101
31222111200201
410001013331
5232200211
634323501
711644333
oct4010775
91874621
101053181
1165a2a8
12429591
132ab4ac
141d5b53
1515c0c1
hex1011fd

1053181 has 2 divisors, whose sum is σ = 1053182. Its totient is φ = 1053180.

The previous prime is 1053179. The next prime is 1053191. The reversal of 1053181 is 1813501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549081 + 504100 = 741^2 + 710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053181 - 21 = 1053179 is a prime.

It is a super-2 number, since 2×10531812 = 2218380437522, which contains 22 as substring.

Together with 1053179, it forms a pair of twin primes.

It is a Chen prime.

1053181 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1053191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526590 + 526591.

It is an arithmetic number, because the mean of its divisors is an integer number (526591).

21053181 is an apocalyptic number.

It is an amenable number.

1053181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053181 is an equidigital number, since it uses as much as digits as its factorization.

1053181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1053181 is about 1026.2460718561. The cubic root of 1053181 is about 101.7421721043.

Adding to 1053181 its reverse (1813501), we get a palindrome (2866682).

The spelling of 1053181 in words is "one million, fifty-three thousand, one hundred eighty-one".