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253526393 is a prime number
BaseRepresentation
bin11110001110010…
…00000101111001
3122200001110211102
433013020011321
51004400321033
641053541145
76165640001
oct1707100571
9580043742
10253526393
1112012214a
1270aa47b5
13406a8823
1425957001
15173cdde8
hexf1c8179

253526393 has 2 divisors, whose sum is σ = 253526394. Its totient is φ = 253526392.

The previous prime is 253526353. The next prime is 253526437. The reversal of 253526393 is 393625352.

253526393 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., 145636624 + 107889769 = 12068^2 + 10387^2 .

It is a cyclic number.

It is not a de Polignac number, because 253526393 - 222 = 249332089 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (253526353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126763196 + 126763197.

It is an arithmetic number, because the mean of its divisors is an integer number (126763197).

Almost surely, 2253526393 is an apocalyptic number.

It is an amenable number.

253526393 is a deficient number, since it is larger than the sum of its proper divisors (1).

253526393 is an equidigital number, since it uses as much as digits as its factorization.

253526393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 38.

The square root of 253526393 is about 15922.5121447591. The cubic root of 253526393 is about 632.9086907536.

The spelling of 253526393 in words is "two hundred fifty-three million, five hundred twenty-six thousand, three hundred ninety-three".