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25088669 is a prime number
BaseRepresentation
bin101111110110…
…1001010011101
31202012122011222
41133231022131
522410314134
62253423125
7423151544
oct137551235
952178158
1025088669
1113186541
12849aaa5
135275688
14349115b
152308a2e
hex17ed29d

25088669 has 2 divisors, whose sum is σ = 25088670. Its totient is φ = 25088668.

The previous prime is 25088621. The next prime is 25088677. The reversal of 25088669 is 96688052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22686169 + 2402500 = 4763^2 + 1550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25088669 is a prime.

It is a super-2 number, since 2×250886692 = 1258882624383122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25082669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12544334 + 12544335.

It is an arithmetic number, because the mean of its divisors is an integer number (12544335).

Almost surely, 225088669 is an apocalyptic number.

It is an amenable number.

25088669 is a deficient number, since it is larger than the sum of its proper divisors (1).

25088669 is an equidigital number, since it uses as much as digits as its factorization.

25088669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 25088669 is about 5008.8590517203. The cubic root of 25088669 is about 292.7470588998.

The spelling of 25088669 in words is "twenty-five million, eighty-eight thousand, six hundred sixty-nine".