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25001371 is a prime number
BaseRepresentation
bin101111101011…
…1110110011011
31202001012102201
41133113312123
522400020441
62251511031
7422336203
oct137276633
952035381
1025001371
111312699a
128458477
135244a15
14346b403
1522dcc31
hex17d7d9b

25001371 has 2 divisors, whose sum is σ = 25001372. Its totient is φ = 25001370.

The previous prime is 25001369. The next prime is 25001377. The reversal of 25001371 is 17310052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25001371 - 21 = 25001369 is a prime.

Together with 25001369, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25001377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500685 + 12500686.

It is an arithmetic number, because the mean of its divisors is an integer number (12500686).

Almost surely, 225001371 is an apocalyptic number.

25001371 is a deficient number, since it is larger than the sum of its proper divisors (1).

25001371 is an equidigital number, since it uses as much as digits as its factorization.

25001371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 25001371 is about 5000.1370981204. The cubic root of 25001371 is about 292.4071188280.

The spelling of 25001371 in words is "twenty-five million, one thousand, three hundred seventy-one".