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25204841 is a prime number
BaseRepresentation
bin110000000100…
…1100001101001
31202102112112122
41200021201221
522423023331
62300121025
7424144334
oct140114151
952375478
1025204841
1113255852
128536175
1352b650c
1434c161b
15232d17b
hex1809869

25204841 has 2 divisors, whose sum is σ = 25204842. Its totient is φ = 25204840.

The previous prime is 25204759. The next prime is 25204843. The reversal of 25204841 is 14840252.

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., 24049216 + 1155625 = 4904^2 + 1075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25204841 is a prime.

Together with 25204843, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25204841.

It is not a weakly prime, because it can be changed into another prime (25204843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12602420 + 12602421.

It is an arithmetic number, because the mean of its divisors is an integer number (12602421).

Almost surely, 225204841 is an apocalyptic number.

It is an amenable number.

25204841 is a deficient number, since it is larger than the sum of its proper divisors (1).

25204841 is an equidigital number, since it uses as much as digits as its factorization.

25204841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 25204841 is about 5020.4423111913. The cubic root of 25204841 is about 293.1982141408.

The spelling of 25204841 in words is "twenty-five million, two hundred four thousand, eight hundred forty-one".