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25254223 is a prime number
BaseRepresentation
bin110000001010…
…1100101001111
31202112001021121
41200111211033
522431113343
62301141411
7424441321
oct140254517
952461247
1025254223
1113289965
12855a867
135302b37
1434d5611
15233caed
hex181594f

25254223 has 2 divisors, whose sum is σ = 25254224. Its totient is φ = 25254222.

The previous prime is 25254221. The next prime is 25254227. The reversal of 25254223 is 32245252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25254223 - 21 = 25254221 is a prime.

Together with 25254221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25254221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12627111 + 12627112.

It is an arithmetic number, because the mean of its divisors is an integer number (12627112).

Almost surely, 225254223 is an apocalyptic number.

25254223 is a deficient number, since it is larger than the sum of its proper divisors (1).

25254223 is an equidigital number, since it uses as much as digits as its factorization.

25254223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 25.

The square root of 25254223 is about 5025.3579971978. The cubic root of 25254223 is about 293.3895698251.

Adding to 25254223 its reverse (32245252), we get a palindrome (57499475).

The spelling of 25254223 in words is "twenty-five million, two hundred fifty-four thousand, two hundred twenty-three".