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25017133 is a prime number
BaseRepresentation
bin101111101101…
…1101100101101
31202002000001111
41133123230231
522401022013
62252112021
7422433151
oct137335455
952060044
1025017133
1113137819
128465611
13524bc4b
143473061
1522e273d
hex17dbb2d

25017133 has 2 divisors, whose sum is σ = 25017134. Its totient is φ = 25017132.

The previous prime is 25017131. The next prime is 25017163. The reversal of 25017133 is 33171052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17952169 + 7064964 = 4237^2 + 2658^2 .

It is a cyclic number.

It is not a de Polignac number, because 25017133 - 21 = 25017131 is a prime.

Together with 25017131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25017131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12508566 + 12508567.

It is an arithmetic number, because the mean of its divisors is an integer number (12508567).

Almost surely, 225017133 is an apocalyptic number.

It is an amenable number.

25017133 is a deficient number, since it is larger than the sum of its proper divisors (1).

25017133 is an equidigital number, since it uses as much as digits as its factorization.

25017133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 25017133 is about 5001.7130065609. The cubic root of 25017133 is about 292.4685548294.

Adding to 25017133 its reverse (33171052), we get a palindrome (58188185).

The spelling of 25017133 in words is "twenty-five million, seventeen thousand, one hundred thirty-three".