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5121331 is a prime number
BaseRepresentation
bin10011100010010100110011
3100122012010221
4103202110303
52302340311
6301433511
761346665
oct23422463
910565127
105121331
112988806
12186b897
1310a4097
14974535
156b2671
hex4e2533

5121331 has 2 divisors, whose sum is σ = 5121332. Its totient is φ = 5121330.

The previous prime is 5121329. The next prime is 5121353. The reversal of 5121331 is 1331215.

5121331 is digitally balanced in base 3, 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 5121331 - 21 = 5121329 is a prime.

It is a super-2 number, since 2×51213312 = 52456062423122, which contains 22 as substring.

Together with 5121329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5121031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560665 + 2560666.

It is an arithmetic number, because the mean of its divisors is an integer number (2560666).

Almost surely, 25121331 is an apocalyptic number.

5121331 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121331 is an equidigital number, since it uses as much as digits as its factorization.

5121331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90, while the sum is 16.

The square root of 5121331 is about 2263.0357929118. The cubic root of 5121331 is about 172.3697090782.

Adding to 5121331 its reverse (1331215), we get a palindrome (6452546).

It can be divided in two parts, 512 and 1331, that multiplied together give a cube (681472 = 883).

The spelling of 5121331 in words is "five million, one hundred twenty-one thousand, three hundred thirty-one".