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25230811 is a prime number
BaseRepresentation
bin110000000111…
…1110111011011
31202110212011111
41200033313123
522424341221
62300441151
7424313134
oct140176733
952425144
1025230811
1113273311
1285491b7
1352c5298
1434cac8b
152335be1
hex180fddb

25230811 has 2 divisors, whose sum is σ = 25230812. Its totient is φ = 25230810.

The previous prime is 25230797. The next prime is 25230817. The reversal of 25230811 is 11803252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25230811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25230817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12615405 + 12615406.

It is an arithmetic number, because the mean of its divisors is an integer number (12615406).

Almost surely, 225230811 is an apocalyptic number.

25230811 is a deficient number, since it is larger than the sum of its proper divisors (1).

25230811 is an equidigital number, since it uses as much as digits as its factorization.

25230811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 25230811 is about 5023.0280707955. The cubic root of 25230811 is about 293.2988792464.

The spelling of 25230811 in words is "twenty-five million, two hundred thirty thousand, eight hundred eleven".