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25084669 is a prime number
BaseRepresentation
bin101111110110…
…0001011111101
31202012102200211
41133230023331
522410202134
62253352421
7423134101
oct137541375
952172624
1025084669
1113183535
128498711
1352738cc
14348d901
152307764
hex17ec2fd

25084669 has 2 divisors, whose sum is σ = 25084670. Its totient is φ = 25084668.

The previous prime is 25084667. The next prime is 25084679. The reversal of 25084669 is 96648052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24502500 + 582169 = 4950^2 + 763^2 .

It is a cyclic number.

It is not a de Polignac number, because 25084669 - 21 = 25084667 is a prime.

It is a super-2 number, since 2×250846692 = 1258481237679122, which contains 22 as substring.

Together with 25084667, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25084667) 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, 12542334 + 12542335.

It is an arithmetic number, because the mean of its divisors is an integer number (12542335).

Almost surely, 225084669 is an apocalyptic number.

It is an amenable number.

25084669 is a deficient number, since it is larger than the sum of its proper divisors (1).

25084669 is an equidigital number, since it uses as much as digits as its factorization.

25084669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 25084669 is about 5008.4597432744. The cubic root of 25084669 is about 292.7315000769.

The spelling of 25084669 in words is "twenty-five million, eighty-four thousand, six hundred sixty-nine".