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252524287 is a prime number
BaseRepresentation
bin11110000110100…
…11011011111111
3122121011120012101
433003103123333
51004121234122
641020245531
76154264261
oct1703233377
9577146171
10252524287
1111a5a8264
12706a08a7
1340417672
1425775b31
1517282027
hexf0d36ff

252524287 has 2 divisors, whose sum is σ = 252524288. Its totient is φ = 252524286.

The previous prime is 252524281. The next prime is 252524299. The reversal of 252524287 is 782425252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252524287 - 27 = 252524159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252524281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126262143 + 126262144.

It is an arithmetic number, because the mean of its divisors is an integer number (126262144).

Almost surely, 2252524287 is an apocalyptic number.

252524287 is a deficient number, since it is larger than the sum of its proper divisors (1).

252524287 is an equidigital number, since it uses as much as digits as its factorization.

252524287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 37.

The square root of 252524287 is about 15891.0127745213. The cubic root of 252524287 is about 632.0736967083.

The spelling of 252524287 in words is "two hundred fifty-two million, five hundred twenty-four thousand, two hundred eighty-seven".