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25554097 is a prime number
BaseRepresentation
bin110000101111…
…0110010110001
31210002021122001
41201132302301
523020212342
62311414001
7430130512
oct141366261
953067561
1025554097
1113474198
128684301
1353a948a
143572a09
15239b8b7
hex185ecb1

25554097 has 2 divisors, whose sum is σ = 25554098. Its totient is φ = 25554096.

The previous prime is 25554079. The next prime is 25554101. The reversal of 25554097 is 79045552.

Together with previous prime (25554079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23270976 + 2283121 = 4824^2 + 1511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25554097 is a prime.

It is a Chen prime.

It is equal to p1598338 and since 25554097 and 1598338 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (25554037) 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, 12777048 + 12777049.

It is an arithmetic number, because the mean of its divisors is an integer number (12777049).

Almost surely, 225554097 is an apocalyptic number.

It is an amenable number.

25554097 is a deficient number, since it is larger than the sum of its proper divisors (1).

25554097 is an equidigital number, since it uses as much as digits as its factorization.

25554097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 25554097 is about 5055.1060325180. The cubic root of 25554097 is about 294.5462602310.

The spelling of 25554097 in words is "twenty-five million, five hundred fifty-four thousand, ninety-seven".