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25208011 is a prime number
BaseRepresentation
bin110000000101…
…0010011001011
31202102200220001
41200022103023
522423124021
62300143431
7424156513
oct140122313
952380801
1025208011
1113258174
128537b77
1352b7aaa
1434c2843
15232e091
hex180a4cb

25208011 has 2 divisors, whose sum is σ = 25208012. Its totient is φ = 25208010.

The previous prime is 25208009. The next prime is 25208017. The reversal of 25208011 is 11080252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25208011 - 21 = 25208009 is a prime.

It is a super-2 number, since 2×252080112 = 1270887637152242, which contains 22 as substring.

Together with 25208009, 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 25208011.

It is not a weakly prime, because it can be changed into another prime (25208017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12604005 + 12604006.

It is an arithmetic number, because the mean of its divisors is an integer number (12604006).

Almost surely, 225208011 is an apocalyptic number.

25208011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25208011 is an equidigital number, since it uses as much as digits as its factorization.

25208011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 25208011 is about 5020.7580105000. The cubic root of 25208011 is about 293.2105054221.

Adding to 25208011 its reverse (11080252), we get a palindrome (36288263).

The spelling of 25208011 in words is "twenty-five million, two hundred eight thousand, eleven".