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1074397913 is a prime number
BaseRepresentation
bin100000000001010…
…0000001011011001
32202212200001212022
41000002200023121
54200021213123
6254340024225
735424142301
oct10002401331
92685601768
101074397913
11501519066
1225b992075
13141788714
14a2996601
15644ca1c8
hex400a02d9

1074397913 has 2 divisors, whose sum is σ = 1074397914. Its totient is φ = 1074397912.

The previous prime is 1074397901. The next prime is 1074397949. The reversal of 1074397913 is 3197934701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539493529 + 534904384 = 23227^2 + 23128^2 .

It is a cyclic number.

It is not a de Polignac number, because 1074397913 - 228 = 805962457 is a prime.

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 (1074397963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537198956 + 537198957.

It is an arithmetic number, because the mean of its divisors is an integer number (537198957).

Almost surely, 21074397913 is an apocalyptic number.

It is an amenable number.

1074397913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074397913 is an equidigital number, since it uses as much as digits as its factorization.

1074397913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 1074397913 is about 32778.0095948488. The cubic root of 1074397913 is about 1024.2085226107.

The spelling of 1074397913 in words is "one billion, seventy-four million, three hundred ninety-seven thousand, nine hundred thirteen".