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3554500121 is a prime number
BaseRepresentation
bin1101001111011101…
…0101111000011001
3100011201102022111122
43103313111320121
524234423000441
61344413135025
7154040516054
oct32367257031
910151368448
103554500121
111564471607
1283248a475
1344853c113
1425a107a9b
1515c0c534b
hexd3dd5e19

3554500121 has 2 divisors, whose sum is σ = 3554500122. Its totient is φ = 3554500120.

The previous prime is 3554500091. The next prime is 3554500133. The reversal of 3554500121 is 1210054553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1969584400 + 1584915721 = 44380^2 + 39811^2 .

It is a cyclic number.

It is not a de Polignac number, because 3554500121 - 230 = 2480758297 is a prime.

It is a super-2 number, since 2×35545001212 = 25268942220378029282, which contains 22 as substring.

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 (3554500151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777250060 + 1777250061.

It is an arithmetic number, because the mean of its divisors is an integer number (1777250061).

Almost surely, 23554500121 is an apocalyptic number.

It is an amenable number.

3554500121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3554500121 is an equidigital number, since it uses as much as digits as its factorization.

3554500121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 3554500121 is about 59619.6286553346. The cubic root of 3554500121 is about 1526.1346204212.

Adding to 3554500121 its reverse (1210054553), we get a palindrome (4764554674).

The spelling of 3554500121 in words is "three billion, five hundred fifty-four million, five hundred thousand, one hundred twenty-one".