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25714231 is a prime number
BaseRepresentation
bin110001000010…
…1111000110111
31210101102021221
41202011320313
523040323411
62315051211
7431365414
oct142057067
953342257
1025714231
1113573534
128740b07
13543432a
1435b510b
1523ce071
hex1885e37

25714231 has 2 divisors, whose sum is σ = 25714232. Its totient is φ = 25714230.

The previous prime is 25714219. The next prime is 25714289. The reversal of 25714231 is 13241752.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25714231 - 27 = 25714103 is a prime.

It is a super-2 number, since 2×257142312 = 1322443351842722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25714196 and 25714205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25714291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12857115 + 12857116.

It is an arithmetic number, because the mean of its divisors is an integer number (12857116).

Almost surely, 225714231 is an apocalyptic number.

25714231 is a deficient number, since it is larger than the sum of its proper divisors (1).

25714231 is an equidigital number, since it uses as much as digits as its factorization.

25714231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 25714231 is about 5070.9201334669. The cubic root of 25714231 is about 295.1602346964.

Adding to 25714231 its reverse (13241752), we get a palindrome (38955983).

The spelling of 25714231 in words is "twenty-five million, seven hundred fourteen thousand, two hundred thirty-one".