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25211203 is a prime number
BaseRepresentation
bin110000000101…
…1000101000011
31202102212021021
41200023011003
522423224303
62300210311
7424202023
oct140130503
952385237
1025211203
111325a606
128539997
1352b9394
1434c3a83
15232eebd
hex180b143

25211203 has 2 divisors, whose sum is σ = 25211204. Its totient is φ = 25211202.

The previous prime is 25211189. The next prime is 25211209. The reversal of 25211203 is 30211252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25211203 - 213 = 25203011 is a prime.

It is a super-3 number, since 3×252112033 (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (25211209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12605601 + 12605602.

It is an arithmetic number, because the mean of its divisors is an integer number (12605602).

Almost surely, 225211203 is an apocalyptic number.

25211203 is a deficient number, since it is larger than the sum of its proper divisors (1).

25211203 is an equidigital number, since it uses as much as digits as its factorization.

25211203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 25211203 is about 5021.0758807252. The cubic root of 25211203 is about 293.2228809646. Note that the first 3 decimals are identical.

Adding to 25211203 its reverse (30211252), we get a palindrome (55422455).

The spelling of 25211203 in words is "twenty-five million, two hundred eleven thousand, two hundred three".