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25195297 is a prime number
BaseRepresentation
bin110000000011…
…1001100100001
31202102001110011
41200013030201
522422222142
62300004521
7424104451
oct140071441
952361404
1025195297
1113249666
128530741
1352b207a
1434bbd61
15232a417
hex1807321

25195297 has 2 divisors, whose sum is σ = 25195298. Its totient is φ = 25195296.

The previous prime is 25195253. The next prime is 25195307. The reversal of 25195297 is 79259152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22648081 + 2547216 = 4759^2 + 1596^2 .

It is a cyclic number.

It is not a de Polignac number, because 25195297 - 27 = 25195169 is a prime.

It is not a weakly prime, because it can be changed into another prime (25198297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12597648 + 12597649.

It is an arithmetic number, because the mean of its divisors is an integer number (12597649).

Almost surely, 225195297 is an apocalyptic number.

It is an amenable number.

25195297 is a deficient number, since it is larger than the sum of its proper divisors (1).

25195297 is an equidigital number, since it uses as much as digits as its factorization.

25195297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 40.

The square root of 25195297 is about 5019.4917073345. The cubic root of 25195297 is about 293.1612022426.

The spelling of 25195297 in words is "twenty-five million, one hundred ninety-five thousand, two hundred ninety-seven".