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25868201 is a prime number
BaseRepresentation
bin110001010101…
…1011110101001
31210200020111112
41202223132221
523110240301
62322240105
7432606332
oct142533651
953606445
1025868201
1113669187
1287b6035
135489438
143615289
15240e9bb
hex18ab7a9

25868201 has 2 divisors, whose sum is σ = 25868202. Its totient is φ = 25868200.

The previous prime is 25868197. The next prime is 25868233. The reversal of 25868201 is 10286852.

It is an a-pointer prime, because the next prime (25868233) can be obtained adding 25868201 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13512976 + 12355225 = 3676^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 25868201 - 22 = 25868197 is a prime.

It is not a weakly prime, because it can be changed into another prime (25868281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12934100 + 12934101.

It is an arithmetic number, because the mean of its divisors is an integer number (12934101).

Almost surely, 225868201 is an apocalyptic number.

It is an amenable number.

25868201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25868201 is an equidigital number, since it uses as much as digits as its factorization.

25868201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 25868201 is about 5086.0791381967. The cubic root of 25868201 is about 295.7481765256.

The spelling of 25868201 in words is "twenty-five million, eight hundred sixty-eight thousand, two hundred one".