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2145251327 is a prime number
BaseRepresentation
bin111111111011101…
…1110111111111111
312112111200001120212
41333313132333333
513343141020302
6552512103035
7104106223022
oct17767367777
95474601525
102145251327
11a00a3608a
124ba534a7b
132825a29ab
14164ca91b9
15c8505052
hex7fddefff

2145251327 has 2 divisors, whose sum is σ = 2145251328. Its totient is φ = 2145251326.

The previous prime is 2145251293. The next prime is 2145251351. The reversal of 2145251327 is 7231525412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145251327 - 218 = 2144989183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2145251293 and 2145251302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145259327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072625663 + 1072625664.

It is an arithmetic number, because the mean of its divisors is an integer number (1072625664).

Almost surely, 22145251327 is an apocalyptic number.

2145251327 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145251327 is an equidigital number, since it uses as much as digits as its factorization.

2145251327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 32.

The square root of 2145251327 is about 46316.8579137229. The cubic root of 2145251327 is about 1289.7119576019.

Adding to 2145251327 its reverse (7231525412), we get a palindrome (9376776739).

The spelling of 2145251327 in words is "two billion, one hundred forty-five million, two hundred fifty-one thousand, three hundred twenty-seven".