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105510001 is a prime number
BaseRepresentation
bin1100100100111…
…11010001110001
321100112110111211
412102133101301
5204002310001
614245240121
72420551222
oct622372161
9240473454
10105510001
1154615253
122b403041
1318b2276c
1410027249
1593e2351
hex649f471

105510001 has 2 divisors, whose sum is σ = 105510002. Its totient is φ = 105510000.

The previous prime is 105509981. The next prime is 105510017. The reversal of 105510001 is 100015501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91221601 + 14288400 = 9551^2 + 3780^2 .

It is a cyclic number.

It is not a de Polignac number, because 105510001 - 25 = 105509969 is a prime.

It is a super-2 number, since 2×1055100012 = 22264720622040002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105510901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52755000 + 52755001.

It is an arithmetic number, because the mean of its divisors is an integer number (52755001).

Almost surely, 2105510001 is an apocalyptic number.

It is an amenable number.

105510001 is a deficient number, since it is larger than the sum of its proper divisors (1).

105510001 is an equidigital number, since it uses as much as digits as its factorization.

105510001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 105510001 is about 10271.8061216127. The cubic root of 105510001 is about 472.5319833151.

Adding to 105510001 its reverse (100015501), we get a palindrome (205525502).

The spelling of 105510001 in words is "one hundred five million, five hundred ten thousand, one".