Search a number
-
+
253905107 is a prime number
BaseRepresentation
bin11110010001001…
…00100011010011
3122200202201022212
433020210203103
51004444430412
641110022335
76202105061
oct1710444323
9580681285
10253905107
11120360735
12710479ab
13407ac011
1425a15031
1517456222
hexf2248d3

253905107 has 2 divisors, whose sum is σ = 253905108. Its totient is φ = 253905106.

The previous prime is 253905083. The next prime is 253905109. The reversal of 253905107 is 701509352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253905107 - 28 = 253904851 is a prime.

Together with 253905109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253905109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126952553 + 126952554.

It is an arithmetic number, because the mean of its divisors is an integer number (126952554).

Almost surely, 2253905107 is an apocalyptic number.

253905107 is a deficient number, since it is larger than the sum of its proper divisors (1).

253905107 is an equidigital number, since it uses as much as digits as its factorization.

253905107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 253905107 is about 15934.4001142183. The cubic root of 253905107 is about 633.2236771985.

The spelling of 253905107 in words is "two hundred fifty-three million, nine hundred five thousand, one hundred seven".