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245235313 is a prime number
BaseRepresentation
bin11101001110111…
…11111001110001
3122002110020121101
432213133321301
51000240012223
640200124401
76035315521
oct1647377161
9562406541
10245235313
11116479a14
126a166701
133ba64a6b
14247d9681
15167e24ad
hexe9dfe71

245235313 has 2 divisors, whose sum is σ = 245235314. Its totient is φ = 245235312.

The previous prime is 245235307. The next prime is 245235379. The reversal of 245235313 is 313532542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176544369 + 68690944 = 13287^2 + 8288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-245235313 is a prime.

It is not a weakly prime, because it can be changed into another prime (245235113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122617656 + 122617657.

It is an arithmetic number, because the mean of its divisors is an integer number (122617657).

Almost surely, 2245235313 is an apocalyptic number.

It is an amenable number.

245235313 is a deficient number, since it is larger than the sum of its proper divisors (1).

245235313 is an equidigital number, since it uses as much as digits as its factorization.

245235313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 28.

The square root of 245235313 is about 15659.9908365235. The cubic root of 245235313 is about 625.9327410581.

Adding to 245235313 its reverse (313532542), we get a palindrome (558767855).

The spelling of 245235313 in words is "two hundred forty-five million, two hundred thirty-five thousand, three hundred thirteen".