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25927201 is a prime number
BaseRepresentation
bin110001011100…
…1111000100001
31210210020102201
41202321320201
523114132301
62323413201
7433243336
oct142717041
953706381
1025927201
11136a9543
128824201
1354aa251
14362c98d
152422201
hex18b9e21

25927201 has 2 divisors, whose sum is σ = 25927202. Its totient is φ = 25927200.

The previous prime is 25927199. The next prime is 25927217. The reversal of 25927201 is 10272952.

25927201 = 36002 + 36012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12967201 + 12960000 = 3601^2 + 3600^2 .

It is a cyclic number.

It is not a de Polignac number, because 25927201 - 21 = 25927199 is a prime.

It is a super-4 number, since 4×259272014 (a number of 31 digits) contains 4444 as substring.

Together with 25927199, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25927201.

It is not a weakly prime, because it can be changed into another prime (25927241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12963600 + 12963601.

It is an arithmetic number, because the mean of its divisors is an integer number (12963601).

Almost surely, 225927201 is an apocalyptic number.

25927201 is the 3601-st centered square number.

It is an amenable number.

25927201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25927201 is an equidigital number, since it uses as much as digits as its factorization.

25927201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 25927201 is about 5091.8759804221. The cubic root of 25927201 is about 295.9728525444.

The spelling of 25927201 in words is "twenty-five million, nine hundred twenty-seven thousand, two hundred one".