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245575223 is a prime number
BaseRepresentation
bin11101010001100…
…10111000110111
3122010002111212122
432220302320313
51000331401343
640211310155
76041232515
oct1650627067
9563074778
10245575223
11116691333
126a2ab35b
133bb536aa
14248874b5
151685d068
hexea32e37

245575223 has 2 divisors, whose sum is σ = 245575224. Its totient is φ = 245575222.

The previous prime is 245575111. The next prime is 245575259. The reversal of 245575223 is 322575542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245575223 - 220 = 244526647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245575823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122787611 + 122787612.

It is an arithmetic number, because the mean of its divisors is an integer number (122787612).

Almost surely, 2245575223 is an apocalyptic number.

245575223 is a deficient number, since it is larger than the sum of its proper divisors (1).

245575223 is an equidigital number, since it uses as much as digits as its factorization.

245575223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 35.

The square root of 245575223 is about 15670.8398945302. The cubic root of 245575223 is about 626.2218002635.

The spelling of 245575223 in words is "two hundred forty-five million, five hundred seventy-five thousand, two hundred twenty-three".