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25300049 is a prime number
BaseRepresentation
bin110000010000…
…0110001010001
31202121101010212
41200200301101
522434100144
62302133505
7425022035
oct140406121
952541125
1025300049
1113310335
128581295
13531a958
1435081c5
15234b49e
hex1820c51

25300049 has 2 divisors, whose sum is σ = 25300050. Its totient is φ = 25300048.

The previous prime is 25300021. The next prime is 25300073. The reversal of 25300049 is 94000352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12909649 + 12390400 = 3593^2 + 3520^2 .

It is a cyclic number.

It is not a de Polignac number, because 25300049 - 216 = 25234513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25299997 and 25300033.

It is not a weakly prime, because it can be changed into another prime (25302049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12650024 + 12650025.

It is an arithmetic number, because the mean of its divisors is an integer number (12650025).

Almost surely, 225300049 is an apocalyptic number.

It is an amenable number.

25300049 is a deficient number, since it is larger than the sum of its proper divisors (1).

25300049 is an equidigital number, since it uses as much as digits as its factorization.

25300049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 25300049 is about 5029.9154068433. The cubic root of 25300049 is about 293.5669229529.

The spelling of 25300049 in words is "twenty-five million, three hundred thousand, forty-nine".