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12525533 is a prime number
BaseRepresentation
bin101111110001…
…111111011101
3212120100210122
4233301333131
511201304113
61124244325
7211315406
oct57617735
925510718
1012525533
117085689
1242406a5
132797277
1419409ad
151176408
hexbf1fdd

12525533 has 2 divisors, whose sum is σ = 12525534. Its totient is φ = 12525532.

The previous prime is 12525511. The next prime is 12525563. The reversal of 12525533 is 33552521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9504889 + 3020644 = 3083^2 + 1738^2 .

It is an emirp because it is prime and its reverse (33552521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12525533 - 210 = 12524509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12525563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262766 + 6262767.

It is an arithmetic number, because the mean of its divisors is an integer number (6262767).

Almost surely, 212525533 is an apocalyptic number.

It is an amenable number.

12525533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525533 is an equidigital number, since it uses as much as digits as its factorization.

12525533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4500, while the sum is 26.

The square root of 12525533 is about 3539.1429753543. The cubic root of 12525533 is about 232.2373524614.

The spelling of 12525533 in words is "twelve million, five hundred twenty-five thousand, five hundred thirty-three".