Search a number
-
+
1025044313 is a prime number
BaseRepresentation
bin111101000110001…
…110111101011001
32122102210122110012
4331012032331121
54044402404223
6245414131305
734254506246
oct7506167531
92572718405
101025044313
11486679a67
12247350b35
131344985c7
149a1ca5cd
155eecbc78
hex3d18ef59

1025044313 has 2 divisors, whose sum is σ = 1025044314. Its totient is φ = 1025044312.

The previous prime is 1025044249. The next prime is 1025044333. The reversal of 1025044313 is 3134405201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 951907609 + 73136704 = 30853^2 + 8552^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025044313 - 26 = 1025044249 is a prime.

It is a super-2 number, since 2×10250443132 = 2101431687227283938, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1025044333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512522156 + 512522157.

It is an arithmetic number, because the mean of its divisors is an integer number (512522157).

Almost surely, 21025044313 is an apocalyptic number.

It is an amenable number.

1025044313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025044313 is an equidigital number, since it uses as much as digits as its factorization.

1025044313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1025044313 is about 32016.3132324757. The cubic root of 1025044313 is about 1008.2793672337.

Adding to 1025044313 its reverse (3134405201), we get a palindrome (4159449514).

The spelling of 1025044313 in words is "one billion, twenty-five million, forty-four thousand, three hundred thirteen".