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25458941 is a prime number
BaseRepresentation
bin110000100011…
…1100011111101
31202220110002202
41201013203331
523004141231
62305401245
7426253214
oct141074375
952813082
1025458941
1113409752
128639225
135375081
14354a07b
15237d5cb
hex18478fd

25458941 has 2 divisors, whose sum is σ = 25458942. Its totient is φ = 25458940.

The previous prime is 25458931. The next prime is 25458943. The reversal of 25458941 is 14985452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25290841 + 168100 = 5029^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 25458941 - 218 = 25196797 is a prime.

Together with 25458943, it forms a pair of twin primes.

It is a Chen prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 25458895 and 25458904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25458943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12729470 + 12729471.

It is an arithmetic number, because the mean of its divisors is an integer number (12729471).

Almost surely, 225458941 is an apocalyptic number.

It is an amenable number.

25458941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25458941 is an equidigital number, since it uses as much as digits as its factorization.

25458941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 38.

The square root of 25458941 is about 5045.6853845637. The cubic root of 25458941 is about 294.1802040528.

It can be divided in two parts, 254 and 58941, that added together give a palindrome (59195).

The spelling of 25458941 in words is "twenty-five million, four hundred fifty-eight thousand, nine hundred forty-one".