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105660053 is a prime number
BaseRepresentation
bin1100100110000…
…11111010010101
321100211002100022
412103003322111
5204022110203
614252354525
72422044542
oct623037225
9240732308
10105660053
1154707a64
122b475a45
1318b75b55
1410065bc9
159421a38
hex64c3e95

105660053 has 2 divisors, whose sum is σ = 105660054. Its totient is φ = 105660052.

The previous prime is 105660043. The next prime is 105660097. The reversal of 105660053 is 350066501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101747569 + 3912484 = 10087^2 + 1978^2 .

It is a cyclic number.

It is not a de Polignac number, because 105660053 - 220 = 104611477 is a prime.

It is a super-2 number, since 2×1056600532 = 22328093599925618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105660043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52830026 + 52830027.

It is an arithmetic number, because the mean of its divisors is an integer number (52830027).

Almost surely, 2105660053 is an apocalyptic number.

It is an amenable number.

105660053 is a deficient number, since it is larger than the sum of its proper divisors (1).

105660053 is an equidigital number, since it uses as much as digits as its factorization.

105660053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 105660053 is about 10279.1075974522. The cubic root of 105660053 is about 472.7558824166.

The spelling of 105660053 in words is "one hundred five million, six hundred sixty thousand, fifty-three".