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12525590387 is a prime number
BaseRepresentation
bin10111010101001010…
…10101011101110011
31012022221002220211002
423222211111131303
5201123022343022
65430522512215
7622252522142
oct135245253563
935287086732
1012525590387
1153484074a2
12251696566b
13124800975b
1486b755759
154d4991092
hex2ea955773

12525590387 has 2 divisors, whose sum is σ = 12525590388. Its totient is φ = 12525590386.

The previous prime is 12525590351. The next prime is 12525590423. The reversal of 12525590387 is 78309552521.

It is a balanced prime because it is at equal distance from previous prime (12525590351) and next prime (12525590423).

It is an emirp because it is prime and its reverse (78309552521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12525590387 is a prime.

It is not a weakly prime, because it can be changed into another prime (12525590347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262795193 + 6262795194.

It is an arithmetic number, because the mean of its divisors is an integer number (6262795194).

Almost surely, 212525590387 is an apocalyptic number.

12525590387 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525590387 is an equidigital number, since it uses as much as digits as its factorization.

12525590387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 12525590387 in words is "twelve billion, five hundred twenty-five million, five hundred ninety thousand, three hundred eighty-seven".