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25001297 is a prime number
BaseRepresentation
bin101111101011…
…1110101010001
31202001012022222
41133113311101
522400020142
62251510425
7422336036
oct137276521
952035288
1025001297
1113126932
128458415
135244989
14346b38d
1522dcbd2
hex17d7d51

25001297 has 2 divisors, whose sum is σ = 25001298. Its totient is φ = 25001296.

The previous prime is 25001287. The next prime is 25001303. The reversal of 25001297 is 79210052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18671041 + 6330256 = 4321^2 + 2516^2 .

It is a cyclic number.

It is not a de Polignac number, because 25001297 - 24 = 25001281 is a prime.

It is not a weakly prime, because it can be changed into another prime (25001287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500648 + 12500649.

It is an arithmetic number, because the mean of its divisors is an integer number (12500649).

Almost surely, 225001297 is an apocalyptic number.

It is an amenable number.

25001297 is a deficient number, since it is larger than the sum of its proper divisors (1).

25001297 is an equidigital number, since it uses as much as digits as its factorization.

25001297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 25001297 is about 5000.1296983178. The cubic root of 25001297 is about 292.4068303352.

The spelling of 25001297 in words is "twenty-five million, one thousand, two hundred ninety-seven".