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252203251 is a prime number
BaseRepresentation
bin11110000100001…
…01000011110011
3122120120020211011
433002011003303
51004031001001
641005331351
76151456306
oct1702050363
9576506734
10252203251
1111a3a9043
1270566b57
13403344c1
14256d0b3d
151721bd51
hexf0850f3

252203251 has 2 divisors, whose sum is σ = 252203252. Its totient is φ = 252203250.

The previous prime is 252203249. The next prime is 252203261. The reversal of 252203251 is 152302252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252203251 - 21 = 252203249 is a prime.

Together with 252203249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (252203261) 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, 126101625 + 126101626.

It is an arithmetic number, because the mean of its divisors is an integer number (126101626).

Almost surely, 2252203251 is an apocalyptic number.

252203251 is a deficient number, since it is larger than the sum of its proper divisors (1).

252203251 is an equidigital number, since it uses as much as digits as its factorization.

252203251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 252203251 is about 15880.9083808200. The cubic root of 252203251 is about 631.8057297930.

Subtracting from 252203251 its reverse (152302252), we obtain a palindrome (99900999).

The spelling of 252203251 in words is "two hundred fifty-two million, two hundred three thousand, two hundred fifty-one".