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253045433 is a prime number
BaseRepresentation
bin11110001010100…
…10101010111001
3122122011001002002
433011102222321
51004234423213
641035350345
76161564534
oct1705225271
9578131062
10253045433
1111a923863
12708b23b5
134056a934
142586da1b
1517336658
hexf152ab9

253045433 has 2 divisors, whose sum is σ = 253045434. Its totient is φ = 253045432.

The previous prime is 253045427. The next prime is 253045447. The reversal of 253045433 is 334540352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250652224 + 2393209 = 15832^2 + 1547^2 .

It is a cyclic number.

It is not a de Polignac number, because 253045433 - 222 = 248851129 is a prime.

It is equal to p13836701 and since 253045433 and 13836701 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 253045396 and 253045405.

It is not a weakly prime, because it can be changed into another prime (253045483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126522716 + 126522717.

It is an arithmetic number, because the mean of its divisors is an integer number (126522717).

Almost surely, 2253045433 is an apocalyptic number.

It is an amenable number.

253045433 is a deficient number, since it is larger than the sum of its proper divisors (1).

253045433 is an equidigital number, since it uses as much as digits as its factorization.

253045433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 253045433 is about 15907.4018305945. The cubic root of 253045433 is about 632.5082111345.

Adding to 253045433 its reverse (334540352), we get a palindrome (587585785).

The spelling of 253045433 in words is "two hundred fifty-three million, forty-five thousand, four hundred thirty-three".