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53253331 is a prime number
BaseRepresentation
bin1100101100100…
…1010011010011
310201012112211121
43023021103103
5102113101311
65141223111
71214434345
oct313112323
9121175747
1053253331
112807301a
1215a01a97
13b057161
147103295
154a1db71
hex32c94d3

53253331 has 2 divisors, whose sum is σ = 53253332. Its totient is φ = 53253330.

The previous prime is 53253329. The next prime is 53253353. The reversal of 53253331 is 13335235.

It is a happy number.

53253331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53253331 - 21 = 53253329 is a prime.

It is a super-2 number, since 2×532533312 = 5671834525191122, which contains 22 as substring.

Together with 53253329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 53253296 and 53253305.

It is not a weakly prime, because it can be changed into another prime (53253311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26626665 + 26626666.

It is an arithmetic number, because the mean of its divisors is an integer number (26626666).

Almost surely, 253253331 is an apocalyptic number.

53253331 is a deficient number, since it is larger than the sum of its proper divisors (1).

53253331 is an equidigital number, since it uses as much as digits as its factorization.

53253331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 25.

The square root of 53253331 is about 7297.4879924533. The cubic root of 53253331 is about 376.2261046697.

Adding to 53253331 its reverse (13335235), we get a palindrome (66588566).

The spelling of 53253331 in words is "fifty-three million, two hundred fifty-three thousand, three hundred thirty-one".