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2547131 is a prime number
BaseRepresentation
bin1001101101110110111011
311210102000012
421231312323
51123002011
6130332135
730436016
oct11556673
94712005
102547131
11148a774
12a2a04b
136b24a2
144a437d
15354a8b
hex26ddbb

2547131 has 2 divisors, whose sum is σ = 2547132. Its totient is φ = 2547130.

The previous prime is 2547113. The next prime is 2547137. The reversal of 2547131 is 1317452.

Together with previous prime (2547113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2547131 is a prime.

It is a super-2 number, since 2×25471312 = 12975752662322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2547097 and 2547106.

It is not a weakly prime, because it can be changed into another prime (2547137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273565 + 1273566.

It is an arithmetic number, because the mean of its divisors is an integer number (1273566).

22547131 is an apocalyptic number.

2547131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2547131 is an equidigital number, since it uses as much as digits as its factorization.

2547131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 2547131 is about 1595.9733707052. The cubic root of 2547131 is about 136.5684647172.

The spelling of 2547131 in words is "two million, five hundred forty-seven thousand, one hundred thirty-one".