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2554247 is a prime number
BaseRepresentation
bin1001101111100110000111
311210202202202
421233212013
51123213442
6130425115
730465533
oct11574607
94722682
102554247
111495053
12a3219b
136b57b7
144a6bc3
15356c32
hex26f987

2554247 has 2 divisors, whose sum is σ = 2554248. Its totient is φ = 2554246.

The previous prime is 2554231. The next prime is 2554249. The reversal of 2554247 is 7424552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2554247 - 24 = 2554231 is a prime.

Together with 2554249, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 216 + 54 + 58 + 4 + 221 + 44 + 72 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2554249) 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, 1277123 + 1277124.

It is an arithmetic number, because the mean of its divisors is an integer number (1277124).

22554247 is an apocalyptic number.

2554247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554247 is an equidigital number, since it uses as much as digits as its factorization.

2554247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 29.

The square root of 2554247 is about 1598.2011763229. The cubic root of 2554247 is about 136.6955250051.

Adding to 2554247 its reverse (7424552), we get a palindrome (9978799).

The spelling of 2554247 in words is "two million, five hundred fifty-four thousand, two hundred forty-seven".