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25927901 is a prime number
BaseRepresentation
bin110001011101…
…0000011011101
31210210021101122
41202322003131
523114143101
62323420325
7433245356
oct142720335
953707348
1025927901
11136aa01a
1288246a5
1354aa66c
14362cd2d
15242251b
hex18ba0dd

25927901 has 2 divisors, whose sum is σ = 25927902. Its totient is φ = 25927900.

The previous prime is 25927883. The next prime is 25927903. The reversal of 25927901 is 10972952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24108100 + 1819801 = 4910^2 + 1349^2 .

It is a cyclic number.

It is not a de Polignac number, because 25927901 - 210 = 25926877 is a prime.

It is a Sophie Germain prime.

Together with 25927903, it forms a pair of twin primes.

It is a Chen 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 (25927903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12963950 + 12963951.

It is an arithmetic number, because the mean of its divisors is an integer number (12963951).

Almost surely, 225927901 is an apocalyptic number.

It is an amenable number.

25927901 is a deficient number, since it is larger than the sum of its proper divisors (1).

25927901 is an equidigital number, since it uses as much as digits as its factorization.

25927901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 25927901 is about 5091.9447169034. The cubic root of 25927901 is about 295.9755161451.

The spelling of 25927901 in words is "twenty-five million, nine hundred twenty-seven thousand, nine hundred one".