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253369 is a prime number
BaseRepresentation
bin111101110110111001
3110212120001
4331312321
531101434
65233001
72103454
oct756671
9425501
10253369
111633a6
12102761
138b42c
146849b
1550114
hex3ddb9

253369 has 2 divisors, whose sum is σ = 253370. Its totient is φ = 253368.

The previous prime is 253367. The next prime is 253381. The reversal of 253369 is 963352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 97344 = 395^2 + 312^2 .

It is a cyclic number.

It is not a de Polignac number, because 253369 - 21 = 253367 is a prime.

It is a super-2 number, since 2×2533692 = 128391700322, which contains 22 as substring.

Together with 253367, 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 (253361) 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, 126684 + 126685.

It is an arithmetic number, because the mean of its divisors is an integer number (126685).

2253369 is an apocalyptic number.

It is an amenable number.

253369 is a deficient number, since it is larger than the sum of its proper divisors (1).

253369 is an equidigital number, since it uses as much as digits as its factorization.

253369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 28.

The square root of 253369 is about 503.3577256783. The cubic root of 253369 is about 63.2777690561.

The spelling of 253369 in words is "two hundred fifty-three thousand, three hundred sixty-nine".