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252810541 is a prime number
BaseRepresentation
bin11110001000110…
…01010100101101
3122121201002212101
433010121110231
51004204414131
641030335101
76156565654
oct1704312455
9577632771
10252810541
1111a783335
12707ba491
13404b7a49
142580c19b
15172dbc61
hexf11952d

252810541 has 2 divisors, whose sum is σ = 252810542. Its totient is φ = 252810540.

The previous prime is 252810539. The next prime is 252810557. The reversal of 252810541 is 145018252.

252810541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248062500 + 4748041 = 15750^2 + 2179^2 .

It is a cyclic number.

It is not a de Polignac number, because 252810541 - 21 = 252810539 is a prime.

Together with 252810539, 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 (252810521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126405270 + 126405271.

It is an arithmetic number, because the mean of its divisors is an integer number (126405271).

Almost surely, 2252810541 is an apocalyptic number.

It is an amenable number.

252810541 is a deficient number, since it is larger than the sum of its proper divisors (1).

252810541 is an equidigital number, since it uses as much as digits as its factorization.

252810541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 252810541 is about 15900.0170125695. The cubic root of 252810541 is about 632.3124398171.

Adding to 252810541 its reverse (145018252), we get a palindrome (397828793).

The spelling of 252810541 in words is "two hundred fifty-two million, eight hundred ten thousand, five hundred forty-one".