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252810539 is a prime number
BaseRepresentation
bin11110001000110…
…01010100101011
3122121201002212022
433010121110223
51004204414124
641030335055
76156565652
oct1704312453
9577632768
10252810539
1111a783333
12707ba48b
13404b7a47
142580c199
15172dbc5e
hexf11952b

252810539 has 2 divisors, whose sum is σ = 252810540. Its totient is φ = 252810538.

The previous prime is 252810533. The next prime is 252810541. The reversal of 252810539 is 935018252.

252810539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252810539 is a prime.

Together with 252810541, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 252810499 and 252810508.

It is not a weakly prime, because it can be changed into another prime (252810533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126405269 + 126405270.

It is an arithmetic number, because the mean of its divisors is an integer number (126405270).

Almost surely, 2252810539 is an apocalyptic number.

252810539 is a deficient number, since it is larger than the sum of its proper divisors (1).

252810539 is an equidigital number, since it uses as much as digits as its factorization.

252810539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 252810539 is about 15900.0169496765. The cubic root of 252810539 is about 632.3124381497.

The spelling of 252810539 in words is "two hundred fifty-two million, eight hundred ten thousand, five hundred thirty-nine".