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253424291 is a prime number
BaseRepresentation
bin11110001101011…
…11001010100011
3122122212021202212
433012233022203
51004334034131
641051432335
76165033221
oct1706571243
9578767685
10253424291
1112006246a
1270a556ab
1340671203
142592bb11
15173ada2b
hexf1af2a3

253424291 has 2 divisors, whose sum is σ = 253424292. Its totient is φ = 253424290.

The previous prime is 253424263. The next prime is 253424341. The reversal of 253424291 is 192424352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253424291 - 214 = 253407907 is a prime.

It is not a weakly prime, because it can be changed into another prime (253424201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126712145 + 126712146.

It is an arithmetic number, because the mean of its divisors is an integer number (126712146).

Almost surely, 2253424291 is an apocalyptic number.

253424291 is a deficient number, since it is larger than the sum of its proper divisors (1).

253424291 is an equidigital number, since it uses as much as digits as its factorization.

253424291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 253424291 is about 15919.3056067154. The cubic root of 253424291 is about 632.8237161424.

The spelling of 253424291 in words is "two hundred fifty-three million, four hundred twenty-four thousand, two hundred ninety-one".