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25301233 is a prime number
BaseRepresentation
bin110000010000…
…1000011110001
31202121102202201
41200201003301
522434114413
62302143201
7425025346
oct140410361
952542681
1025301233
1113311211
128581b01
13531b359
1435087cd
15234b9dd
hex18210f1

25301233 has 2 divisors, whose sum is σ = 25301234. Its totient is φ = 25301232.

The previous prime is 25301231. The next prime is 25301249. The reversal of 25301233 is 33210352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25280784 + 20449 = 5028^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 25301233 - 21 = 25301231 is a prime.

Together with 25301231, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25301233.

It is not a weakly prime, because it can be changed into another prime (25301231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12650616 + 12650617.

It is an arithmetic number, because the mean of its divisors is an integer number (12650617).

Almost surely, 225301233 is an apocalyptic number.

It is an amenable number.

25301233 is a deficient number, since it is larger than the sum of its proper divisors (1).

25301233 is an equidigital number, since it uses as much as digits as its factorization.

25301233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 25301233 is about 5030.0331012827. The cubic root of 25301233 is about 293.5715023619.

Adding to 25301233 its reverse (33210352), we get a palindrome (58511585).

The spelling of 25301233 in words is "twenty-five million, three hundred one thousand, two hundred thirty-three".