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253062449 is a prime number
BaseRepresentation
bin11110001010101…
…10110100110001
3122122011220102022
433011112310301
51004240444244
641040001225
76161665253
oct1705266461
9578156368
10253062449
1111a935622
1270900215
13405755c3
1425875cd3
151733b6ee
hexf156d31

253062449 has 2 divisors, whose sum is σ = 253062450. Its totient is φ = 253062448.

The previous prime is 253062443. The next prime is 253062473. The reversal of 253062449 is 944260352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251698225 + 1364224 = 15865^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 253062449 - 220 = 252013873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253062443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126531224 + 126531225.

It is an arithmetic number, because the mean of its divisors is an integer number (126531225).

Almost surely, 2253062449 is an apocalyptic number.

It is an amenable number.

253062449 is a deficient number, since it is larger than the sum of its proper divisors (1).

253062449 is an equidigital number, since it uses as much as digits as its factorization.

253062449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 253062449 is about 15907.9366669597. The cubic root of 253062449 is about 632.5223884549.

The spelling of 253062449 in words is "two hundred fifty-three million, sixty-two thousand, four hundred forty-nine".