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253794253 is a prime number
BaseRepresentation
bin11110010000010…
…01011111001101
3122200120002021011
433020021133031
51004432404003
641103405221
76201133636
oct1710113715
9580502234
10253794253
11120295419
1270bb3811
134077071b
14259c688d
151743346d
hexf2097cd

253794253 has 2 divisors, whose sum is σ = 253794254. Its totient is φ = 253794252.

The previous prime is 253794251. The next prime is 253794301. The reversal of 253794253 is 352497352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240963529 + 12830724 = 15523^2 + 3582^2 .

It is a cyclic number.

It is not a de Polignac number, because 253794253 - 21 = 253794251 is a prime.

Together with 253794251, 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 (253794251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126897126 + 126897127.

It is an arithmetic number, because the mean of its divisors is an integer number (126897127).

Almost surely, 2253794253 is an apocalyptic number.

It is an amenable number.

253794253 is a deficient number, since it is larger than the sum of its proper divisors (1).

253794253 is an equidigital number, since it uses as much as digits as its factorization.

253794253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 40.

The square root of 253794253 is about 15930.9212853494. The cubic root of 253794253 is about 633.1315094375.

The spelling of 253794253 in words is "two hundred fifty-three million, seven hundred ninety-four thousand, two hundred fifty-three".