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25051349 is a prime number
BaseRepresentation
bin101111110010…
…0000011010101
31202010201222202
41133210003111
522403120344
62252534245
7422635001
oct137440325
952121882
1025051349
11131604a4
128481385
1352616ab
143481701
1522ec94e
hex17e40d5

25051349 has 2 divisors, whose sum is σ = 25051350. Its totient is φ = 25051348.

The previous prime is 25051339. The next prime is 25051357. The reversal of 25051349 is 94315052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13010449 + 12040900 = 3607^2 + 3470^2 .

It is a cyclic number.

It is not a de Polignac number, because 25051349 - 216 = 24985813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25051339) 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, 12525674 + 12525675.

It is an arithmetic number, because the mean of its divisors is an integer number (12525675).

Almost surely, 225051349 is an apocalyptic number.

It is an amenable number.

25051349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25051349 is an equidigital number, since it uses as much as digits as its factorization.

25051349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 25051349 is about 5005.1322659846. The cubic root of 25051349 is about 292.6018307632.

The spelling of 25051349 in words is "twenty-five million, fifty-one thousand, three hundred forty-nine".