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253247353 is a prime number
BaseRepresentation
bin11110001100000…
…11111101111001
3122122112022001121
433012003331321
51004312403403
641043545241
76163365322
oct1706037571
9578468047
10253247353
1111aa51537
127098b221
134060b808
14258c3449
15173763bd
hexf183f79

253247353 has 2 divisors, whose sum is σ = 253247354. Its totient is φ = 253247352.

The previous prime is 253247347. The next prime is 253247363. The reversal of 253247353 is 353742352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142850304 + 110397049 = 11952^2 + 10507^2 .

It is a cyclic number.

It is not a de Polignac number, because 253247353 - 25 = 253247321 is a prime.

It is not a weakly prime, because it can be changed into another prime (253247363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126623676 + 126623677.

It is an arithmetic number, because the mean of its divisors is an integer number (126623677).

Almost surely, 2253247353 is an apocalyptic number.

It is an amenable number.

253247353 is a deficient number, since it is larger than the sum of its proper divisors (1).

253247353 is an equidigital number, since it uses as much as digits as its factorization.

253247353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 34.

The square root of 253247353 is about 15913.7472959702. The cubic root of 253247353 is about 632.6764050445.

The spelling of 253247353 in words is "two hundred fifty-three million, two hundred forty-seven thousand, three hundred fifty-three".