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25025941 is a prime number
BaseRepresentation
bin101111101110…
…1110110010101
31202002110010201
41133131312111
522401312231
62252220501
7422500633
oct137356625
952073121
1025025941
11131433a6
12846a731
135252c65
143476353
1522e5161
hex17ddd95

25025941 has 2 divisors, whose sum is σ = 25025942. Its totient is φ = 25025940.

The previous prime is 25025939. The next prime is 25025951. The reversal of 25025941 is 14952052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21893041 + 3132900 = 4679^2 + 1770^2 .

It is a cyclic number.

It is not a de Polignac number, because 25025941 - 21 = 25025939 is a prime.

Together with 25025939, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25025951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512970 + 12512971.

It is an arithmetic number, because the mean of its divisors is an integer number (12512971).

Almost surely, 225025941 is an apocalyptic number.

It is an amenable number.

25025941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25025941 is an equidigital number, since it uses as much as digits as its factorization.

25025941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 25025941 is about 5002.5934274134. The cubic root of 25025941 is about 292.5028747861.

Adding to 25025941 its reverse (14952052), we get a palindrome (39977993).

The spelling of 25025941 in words is "twenty-five million, twenty-five thousand, nine hundred forty-one".