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25838201 is a prime number
BaseRepresentation
bin110001010010…
…0001001111001
31210121201100102
41202210021321
523103310301
62321445145
7432423014
oct142441171
953551312
1025838201
1113648694
1287a07b5
13547889c
14360837b
152405b6b
hex18a4279

25838201 has 2 divisors, whose sum is σ = 25838202. Its totient is φ = 25838200.

The previous prime is 25838179. The next prime is 25838207. The reversal of 25838201 is 10283852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24492601 + 1345600 = 4949^2 + 1160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25838201 is a prime.

It is a super-2 number, since 2×258382012 = 1335225261832802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25838207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12919100 + 12919101.

It is an arithmetic number, because the mean of its divisors is an integer number (12919101).

Almost surely, 225838201 is an apocalyptic number.

It is an amenable number.

25838201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25838201 is an equidigital number, since it uses as much as digits as its factorization.

25838201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 25838201 is about 5083.1290560048. The cubic root of 25838201 is about 295.6338034468.

The spelling of 25838201 in words is "twenty-five million, eight hundred thirty-eight thousand, two hundred one".