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545225323 is a prime number
BaseRepresentation
bin100000011111110…
…111101001101011
31101222221022112111
4200133313221223
52104034202243
6130034023151
716340224126
oct4037675153
91358838474
10545225323
1125a846945
12132717ab7
1388c5b146
14525a93bd
1532ced39d
hex207f7a6b

545225323 has 2 divisors, whose sum is σ = 545225324. Its totient is φ = 545225322.

The previous prime is 545225321. The next prime is 545225347. The reversal of 545225323 is 323522545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545225323 - 21 = 545225321 is a prime.

Together with 545225321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (545225321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272612661 + 272612662.

It is an arithmetic number, because the mean of its divisors is an integer number (272612662).

Almost surely, 2545225323 is an apocalyptic number.

545225323 is a deficient number, since it is larger than the sum of its proper divisors (1).

545225323 is an equidigital number, since it uses as much as digits as its factorization.

545225323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 31.

The square root of 545225323 is about 23350.0604496006. The cubic root of 545225323 is about 816.9434708127.

Adding to 545225323 its reverse (323522545), we get a palindrome (868747868).

The spelling of 545225323 in words is "five hundred forty-five million, two hundred twenty-five thousand, three hundred twenty-three".