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25434361 is a prime number
BaseRepresentation
bin110000100000…
…1100011111001
31202212012101101
41201001203321
523002344421
62305051401
7426121441
oct141014371
952765341
1025434361
11133a2237
128626b61
135366b24
143541121
152376191
hex18418f9

25434361 has 2 divisors, whose sum is σ = 25434362. Its totient is φ = 25434360.

The previous prime is 25434349. The next prime is 25434373. The reversal of 25434361 is 16343452.

It is a balanced prime because it is at equal distance from previous prime (25434349) and next prime (25434373).

It can be written as a sum of positive squares in only one way, i.e., 25401600 + 32761 = 5040^2 + 181^2 .

It is a cyclic number.

It is not a de Polignac number, because 25434361 - 211 = 25432313 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (25434341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12717180 + 12717181.

It is an arithmetic number, because the mean of its divisors is an integer number (12717181).

Almost surely, 225434361 is an apocalyptic number.

It is an amenable number.

25434361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25434361 is an equidigital number, since it uses as much as digits as its factorization.

25434361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 25434361 is about 5043.2490519505. The cubic root of 25434361 is about 294.0854989121.

Subtracting from 25434361 its reverse (16343452), we obtain a palindrome (9090909).

The spelling of 25434361 in words is "twenty-five million, four hundred thirty-four thousand, three hundred sixty-one".