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25425311 is a prime number
BaseRepresentation
bin110000011111…
…1010110011111
31202211201222012
41200333112133
523002102221
62304541435
7426053162
oct140772637
952751865
1025425311
111339645a
12862187b
135362982
14353bad9
15237365b
hex183f59f

25425311 has 2 divisors, whose sum is σ = 25425312. Its totient is φ = 25425310.

The previous prime is 25425299. The next prime is 25425329. The reversal of 25425311 is 11352452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25425311 - 214 = 25408927 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25425391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12712655 + 12712656.

It is an arithmetic number, because the mean of its divisors is an integer number (12712656).

Almost surely, 225425311 is an apocalyptic number.

25425311 is a deficient number, since it is larger than the sum of its proper divisors (1).

25425311 is an equidigital number, since it uses as much as digits as its factorization.

25425311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 23.

The square root of 25425311 is about 5042.3517330706. The cubic root of 25425311 is about 294.0506144829.

Adding to 25425311 its reverse (11352452), we get a palindrome (36777763).

The spelling of 25425311 in words is "twenty-five million, four hundred twenty-five thousand, three hundred eleven".