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1258244041 is a prime number
BaseRepresentation
bin100101011111111…
…0100011111001001
310020200121102100011
41022333310133021
510034102302131
6324504311521
743115616655
oct11277643711
93220542304
101258244041
1159627840a
122b14725a1
131708a8102
14bd171a65
15756e30b1
hex4aff47c9

1258244041 has 2 divisors, whose sum is σ = 1258244042. Its totient is φ = 1258244040.

The previous prime is 1258244033. The next prime is 1258244063. The reversal of 1258244041 is 1404428521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1217730816 + 40513225 = 34896^2 + 6365^2 .

It is an emirp because it is prime and its reverse (1404428521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1258244041 - 23 = 1258244033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1258243994 and 1258244012.

It is not a weakly prime, because it can be changed into another prime (1258224041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629122020 + 629122021.

It is an arithmetic number, because the mean of its divisors is an integer number (629122021).

Almost surely, 21258244041 is an apocalyptic number.

It is an amenable number.

1258244041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258244041 is an equidigital number, since it uses as much as digits as its factorization.

1258244041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 1258244041 is about 35471.7358047220. The cubic root of 1258244041 is about 1079.5803241941.

The spelling of 1258244041 in words is "one billion, two hundred fifty-eight million, two hundred forty-four thousand, forty-one".