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12525251 is a prime number
BaseRepresentation
bin101111110001…
…111011000011
3212120100102012
4233301323003
511201302001
61124243135
7211314524
oct57617303
925510365
1012525251
117085452
1242404ab
1327970bb
14194084b
1511762bb
hexbf1ec3

12525251 has 2 divisors, whose sum is σ = 12525252. Its totient is φ = 12525250.

The previous prime is 12525239. The next prime is 12525257. The reversal of 12525251 is 15252521.

12525251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12525251 - 222 = 8330947 is a prime.

It is a super-2 number, since 2×125252512 = 313763825226002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12525257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262625 + 6262626.

It is an arithmetic number, because the mean of its divisors is an integer number (6262626).

Almost surely, 212525251 is an apocalyptic number.

12525251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525251 is an equidigital number, since it uses as much as digits as its factorization.

12525251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000, while the sum is 23.

The square root of 12525251 is about 3539.1031349764. The cubic root of 12525251 is about 232.2356095834.

Adding to 12525251 its reverse (15252521), we get a palindrome (27777772).

It can be divided in two parts, 1 and 2525251, that added together give a palindrome (2525252).

The spelling of 12525251 in words is "twelve million, five hundred twenty-five thousand, two hundred fifty-one".