648227183 has 2 divisors, whose sum is σ = 648227184. Its totient is φ = 648227182.

The previous prime is 648227141. The next prime is 648227207. The reversal of 648227183 is 381722846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 648227183 - 2²⁴ = 631449967 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 648227183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648277183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324113591 + 324113592.

It is an arithmetic number, because the mean of its divisors is an integer number (324113592).

Almost surely, 2^648227183 is an apocalyptic number.

648227183 is a deficient number, since it is larger than the sum of its proper divisors (1).

648227183 is an equidigital number, since it uses as much as digits as its factorization.

648227183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 648227183 is about 25460.3060272260. The cubic root of 648227183 is about 865.4508583266.

The spelling of 648227183 in words is "six hundred forty-eight million, two hundred twenty-seven thousand, one hundred eighty-three".