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225952511 is a prime number
BaseRepresentation
bin11010111011111…
…00001011111111
3120202011120120112
431131330023333
5430320440021
634230540235
75412364451
oct1535741377
9522146515
10225952511
111065a9514
126380767b
1337a72c15
142201a2d1
1514c83d5b
hexd77c2ff

225952511 has 2 divisors, whose sum is σ = 225952512. Its totient is φ = 225952510.

The previous prime is 225952481. The next prime is 225952513. The reversal of 225952511 is 115259522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-225952511 is a prime.

It is a Sophie Germain prime.

Together with 225952513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225952513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112976255 + 112976256.

It is an arithmetic number, because the mean of its divisors is an integer number (112976256).

Almost surely, 2225952511 is an apocalyptic number.

225952511 is a deficient number, since it is larger than the sum of its proper divisors (1).

225952511 is an equidigital number, since it uses as much as digits as its factorization.

225952511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 32.

The square root of 225952511 is about 15031.7168347465. The cubic root of 225952511 is about 609.0772674540.

It can be divided in two parts, 2259525 and 11, that multiplied together give a triangular number (24854775 = T7050).

The spelling of 225952511 in words is "two hundred twenty-five million, nine hundred fifty-two thousand, five hundred eleven".