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61398041 is a prime number
BaseRepresentation
bin1110101000110…
…1110000011001
311021112100021112
43222031300121
5111204214131
610031550105
71343606015
oct352156031
9137470245
1061398041
1131726291
121868b335
13c949403
148223545
1555cc02b
hex3a8dc19

61398041 has 2 divisors, whose sum is σ = 61398042. Its totient is φ = 61398040.

The previous prime is 61398019. The next prime is 61398047. The reversal of 61398041 is 14089316.

It is a happy number.

61398041 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., 61387225 + 10816 = 7835^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 61398041 - 26 = 61397977 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61397989 and 61398007.

It is not a weakly prime, because it can be changed into another prime (61398047) 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, 30699020 + 30699021.

It is an arithmetic number, because the mean of its divisors is an integer number (30699021).

Almost surely, 261398041 is an apocalyptic number.

It is an amenable number.

61398041 is a deficient number, since it is larger than the sum of its proper divisors (1).

61398041 is an equidigital number, since it uses as much as digits as its factorization.

61398041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 61398041 is about 7835.6902057190. The cubic root of 61398041 is about 394.5040852282.

The spelling of 61398041 in words is "sixty-one million, three hundred ninety-eight thousand, forty-one".