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253212049 is a prime number
BaseRepresentation
bin11110001011110…
…11010110010001
3122122110111122001
433011323112101
51004310241144
641043114001
76163160356
oct1705732621
9578414561
10253212049
1111aa27a62
1270972901
13405c871c
14258b462d
151736abd4
hexf17b591

253212049 has 2 divisors, whose sum is σ = 253212050. Its totient is φ = 253212048.

The previous prime is 253212041. The next prime is 253212067. The reversal of 253212049 is 940212352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217031824 + 36180225 = 14732^2 + 6015^2 .

It is a cyclic number.

It is not a de Polignac number, because 253212049 - 23 = 253212041 is a prime.

It is not a weakly prime, because it can be changed into another prime (253212041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126606024 + 126606025.

It is an arithmetic number, because the mean of its divisors is an integer number (126606025).

Almost surely, 2253212049 is an apocalyptic number.

It is an amenable number.

253212049 is a deficient number, since it is larger than the sum of its proper divisors (1).

253212049 is an equidigital number, since it uses as much as digits as its factorization.

253212049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 253212049 is about 15912.6380276810. The cubic root of 253212049 is about 632.6470042162.

The spelling of 253212049 in words is "two hundred fifty-three million, two hundred twelve thousand, forty-nine".