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252425101 is a prime number
BaseRepresentation
bin11110000101110…
…11001110001101
3122120222112010211
433002323032031
51004110100401
641014202421
76153402145
oct1702731615
9576875124
10252425101
1111a53a795
1270653411
13403b1486
142574b925
1517262951
hexf0bb38d

252425101 has 2 divisors, whose sum is σ = 252425102. Its totient is φ = 252425100.

The previous prime is 252425099. The next prime is 252425111. The reversal of 252425101 is 101524252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244296900 + 8128201 = 15630^2 + 2851^2 .

It is a cyclic number.

It is not a de Polignac number, because 252425101 - 21 = 252425099 is a prime.

It is a super-2 number, since 2×2524251012 = 127436863229720402, which contains 22 as substring.

Together with 252425099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252425111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126212550 + 126212551.

It is an arithmetic number, because the mean of its divisors is an integer number (126212551).

Almost surely, 2252425101 is an apocalyptic number.

It is an amenable number.

252425101 is a deficient number, since it is larger than the sum of its proper divisors (1).

252425101 is an equidigital number, since it uses as much as digits as its factorization.

252425101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 252425101 is about 15887.8916474150. The cubic root of 252425101 is about 631.9909309773.

Adding to 252425101 its reverse (101524252), we get a palindrome (353949353).

The spelling of 252425101 in words is "two hundred fifty-two million, four hundred twenty-five thousand, one hundred one".