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105520601 is a prime number
BaseRepresentation
bin1100100101000…
…01110111011001
321100120000001102
412102201313121
5204003124401
614245401145
72420624144
oct622416731
9240500042
10105520601
115462220a
122b4091b5
1318b27534
141002b05b
1593e556b
hex64a1dd9

105520601 has 2 divisors, whose sum is σ = 105520602. Its totient is φ = 105520600.

The previous prime is 105520579. The next prime is 105520603. The reversal of 105520601 is 106025501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100480576 + 5040025 = 10024^2 + 2245^2 .

It is an emirp because it is prime and its reverse (106025501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105520601 is a prime.

It is a super-2 number, since 2×1055206012 = 22269194470802402, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 105520603, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (105520603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52760300 + 52760301.

It is an arithmetic number, because the mean of its divisors is an integer number (52760301).

Almost surely, 2105520601 is an apocalyptic number.

It is an amenable number.

105520601 is a deficient number, since it is larger than the sum of its proper divisors (1).

105520601 is an equidigital number, since it uses as much as digits as its factorization.

105520601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 105520601 is about 10272.3220841249. The cubic root of 105520601 is about 472.5478070008.

The spelling of 105520601 in words is "one hundred five million, five hundred twenty thousand, six hundred one".