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63125617 is a prime number
BaseRepresentation
bin1111000011001…
…1100001110001
311101210010001211
43300303201301
5112130004432
610133000121
71364362462
oct360634161
9141703054
1063125617
11326a6235
1219183041
1310102849
148552d69
15581dd47
hex3c33871

63125617 has 2 divisors, whose sum is σ = 63125618. Its totient is φ = 63125616.

The previous prime is 63125561. The next prime is 63125633. The reversal of 63125617 is 71652136.

63125617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62583921 + 541696 = 7911^2 + 736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-63125617 is a prime.

It is not a weakly prime, because it can be changed into another prime (63125717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31562808 + 31562809.

It is an arithmetic number, because the mean of its divisors is an integer number (31562809).

Almost surely, 263125617 is an apocalyptic number.

It is an amenable number.

63125617 is a deficient number, since it is larger than the sum of its proper divisors (1).

63125617 is an equidigital number, since it uses as much as digits as its factorization.

63125617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 63125617 is about 7945.1631197855. The cubic root of 63125617 is about 398.1700093531.

The spelling of 63125617 in words is "sixty-three million, one hundred twenty-five thousand, six hundred seventeen".