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1055223137 is a prime number
BaseRepresentation
bin111110111001010…
…110110101100001
32201112120220000102
4332321112311201
54130114120022
6252413032145
735102151203
oct7671266541
92645526012
101055223137
114a1711841
12255485655
1313a803ab7
14a0204773
156298da92
hex3ee56d61

1055223137 has 2 divisors, whose sum is σ = 1055223138. Its totient is φ = 1055223136.

The previous prime is 1055223131. The next prime is 1055223151. The reversal of 1055223137 is 7313225501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 685968481 + 369254656 = 26191^2 + 19216^2 .

It is an emirp because it is prime and its reverse (7313225501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1055223137 - 212 = 1055219041 is a prime.

It is a super-2 number, since 2×10552231372 = 2226991737720241538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055223131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527611568 + 527611569.

It is an arithmetic number, because the mean of its divisors is an integer number (527611569).

Almost surely, 21055223137 is an apocalyptic number.

It is an amenable number.

1055223137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055223137 is an equidigital number, since it uses as much as digits as its factorization.

1055223137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 1055223137 is about 32484.1982662340. The cubic root of 1055223137 is about 1018.0788961720.

Adding to 1055223137 its reverse (7313225501), we get a palindrome (8368448638).

The spelling of 1055223137 in words is "one billion, fifty-five million, two hundred twenty-three thousand, one hundred thirty-seven".