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253252144433 is a prime number
BaseRepresentation
bin1110101111011100000…
…0010000110100110001
3220012200120120220121002
43223313000100310301
513122130022110213
6312201544211345
724203552465261
oct3536700206461
9805616526532
10253252144433
1198449262522
12410b9769b55
131ab5ca86c02
14c3866d17a1
1568c35b7658
hex3af7010d31

253252144433 has 2 divisors, whose sum is σ = 253252144434. Its totient is φ = 253252144432.

The previous prime is 253252144357. The next prime is 253252144441. The reversal of 253252144433 is 334441252352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141069350464 + 112182793969 = 375592^2 + 334937^2 .

It is a cyclic number.

It is not a de Polignac number, because 253252144433 - 210 = 253252143409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (253252144933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126626072216 + 126626072217.

It is an arithmetic number, because the mean of its divisors is an integer number (126626072217).

Almost surely, 2253252144433 is an apocalyptic number.

It is an amenable number.

253252144433 is a deficient number, since it is larger than the sum of its proper divisors (1).

253252144433 is an equidigital number, since it uses as much as digits as its factorization.

253252144433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 38.

Adding to 253252144433 its reverse (334441252352), we get a palindrome (587693396785).

The spelling of 253252144433 in words is "two hundred fifty-three billion, two hundred fifty-two million, one hundred forty-four thousand, four hundred thirty-three".