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245350253 is a prime number
BaseRepresentation
bin11101001111110…
…11111101101101
3122002200002021102
432213323331231
51000302202003
640202412445
76036304601
oct1647737555
9562602242
10245350253
11116548305
126a201125
133baa5185
1424829501
1516816588
hexe9fbf6d

245350253 has 2 divisors, whose sum is σ = 245350254. Its totient is φ = 245350252.

The previous prime is 245350247. The next prime is 245350267. The reversal of 245350253 is 352053542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218951209 + 26399044 = 14797^2 + 5138^2 .

It is a cyclic number.

It is not a de Polignac number, because 245350253 - 210 = 245349229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245350243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122675126 + 122675127.

It is an arithmetic number, because the mean of its divisors is an integer number (122675127).

Almost surely, 2245350253 is an apocalyptic number.

It is an amenable number.

245350253 is a deficient number, since it is larger than the sum of its proper divisors (1).

245350253 is an equidigital number, since it uses as much as digits as its factorization.

245350253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 245350253 is about 15663.6602682770. The cubic root of 245350253 is about 626.0305158189.

The spelling of 245350253 in words is "two hundred forty-five million, three hundred fifty thousand, two hundred fifty-three".