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233125817 is a prime number
BaseRepresentation
bin11011110010100…
…11011110111001
3121020200000111112
431321103132321
5434140011232
635044410105
75530352051
oct1571233671
9536600445
10233125817
1110a658971
12660a6935
13393b4c92
1422d66561
15156ee4b2
hexde537b9

233125817 has 2 divisors, whose sum is σ = 233125818. Its totient is φ = 233125816.

The previous prime is 233125759. The next prime is 233125819. The reversal of 233125817 is 718521332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140754496 + 92371321 = 11864^2 + 9611^2 .

It is a cyclic number.

It is not a de Polignac number, because 233125817 - 28 = 233125561 is a prime.

Together with 233125819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (233125819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116562908 + 116562909.

It is an arithmetic number, because the mean of its divisors is an integer number (116562909).

Almost surely, 2233125817 is an apocalyptic number.

It is an amenable number.

233125817 is a deficient number, since it is larger than the sum of its proper divisors (1).

233125817 is an equidigital number, since it uses as much as digits as its factorization.

233125817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 233125817 is about 15268.4582391281. The cubic root of 233125817 is about 615.4556888860.

The spelling of 233125817 in words is "two hundred thirty-three million, one hundred twenty-five thousand, eight hundred seventeen".