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68354053 is a prime number
BaseRepresentation
bin1000001001100…
…00000000000101
311202121202010121
410010300000011
5114444312203
610441021541
71456666645
oct404600005
9152552117
1068354053
1135647459
121aa848b1
13112135b1
149114525
1560030bd
hex4130005

68354053 has 2 divisors, whose sum is σ = 68354054. Its totient is φ = 68354052.

The previous prime is 68354051. The next prime is 68354063. The reversal of 68354053 is 35045386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60248644 + 8105409 = 7762^2 + 2847^2 .

It is a cyclic number.

It is not a de Polignac number, because 68354053 - 21 = 68354051 is a prime.

Together with 68354051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68354051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34177026 + 34177027.

It is an arithmetic number, because the mean of its divisors is an integer number (34177027).

Almost surely, 268354053 is an apocalyptic number.

It is an amenable number.

68354053 is a deficient number, since it is larger than the sum of its proper divisors (1).

68354053 is an equidigital number, since it uses as much as digits as its factorization.

68354053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 68354053 is about 8267.6509965044. The cubic root of 68354053 is about 408.8726775329.

The spelling of 68354053 in words is "sixty-eight million, three hundred fifty-four thousand, fifty-three".