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63712349 is a prime number
BaseRepresentation
bin1111001100001…
…0110001011101
311102212220220122
43303002301131
5112302243344
610153324325
71402355201
oct363026135
9142786818
1063712349
1132a67038
12194066a5
131027991c
148666b01
1558d7aee
hex3cc2c5d

63712349 has 2 divisors, whose sum is σ = 63712350. Its totient is φ = 63712348.

The previous prime is 63712291. The next prime is 63712351. The reversal of 63712349 is 94321736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63712324 + 25 = 7982^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-63712349 is a prime.

It is a super-3 number, since 3×637123493 (a number of 24 digits) contains 333 as substring.

Together with 63712351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63712399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31856174 + 31856175.

It is an arithmetic number, because the mean of its divisors is an integer number (31856175).

Almost surely, 263712349 is an apocalyptic number.

It is an amenable number.

63712349 is a deficient number, since it is larger than the sum of its proper divisors (1).

63712349 is an equidigital number, since it uses as much as digits as its factorization.

63712349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 63712349 is about 7982.0015660234. The cubic root of 63712349 is about 399.3998270147.

The spelling of 63712349 in words is "sixty-three million, seven hundred twelve thousand, three hundred forty-nine".