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2254121 is a prime number
BaseRepresentation
bin1000100110010100101001
311020112001222
420212110221
51034112441
6120151425
725105532
oct10462451
94215058
102254121
1112aa611
12908575
1360bccc
14429689
152e7d4b
hex226529

2254121 has 2 divisors, whose sum is σ = 2254122. Its totient is φ = 2254120.

The previous prime is 2254111. The next prime is 2254129. The reversal of 2254121 is 1214522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1784896 + 469225 = 1336^2 + 685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2254121 is a prime.

It is a super-2 number, since 2×22541212 = 10162122965282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2254121.

It is not a weakly prime, because it can be changed into another prime (2254129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127060 + 1127061.

It is an arithmetic number, because the mean of its divisors is an integer number (1127061).

22254121 is an apocalyptic number.

It is an amenable number.

2254121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2254121 is an equidigital number, since it uses as much as digits as its factorization.

2254121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 160, while the sum is 17.

The square root of 2254121 is about 1501.3730382553. The cubic root of 2254121 is about 131.1170214759.

Adding to 2254121 its reverse (1214522), we get a palindrome (3468643).

The spelling of 2254121 in words is "two million, two hundred fifty-four thousand, one hundred twenty-one".