675220489 has 2 divisors, whose sum is σ = 675220490. Its totient is φ = 675220488.

The previous prime is 675220487. The next prime is 675220541. The reversal of 675220489 is 984022576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412780489 + 262440000 = 20317^2 + 16200^2 .

It is a cyclic number.

It is not a de Polignac number, because 675220489 - 2¹ = 675220487 is a prime.

Together with 675220487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (675220487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337610244 + 337610245.

It is an arithmetic number, because the mean of its divisors is an integer number (337610245).

Almost surely, 2^675220489 is an apocalyptic number.

It is an amenable number.

675220489 is a deficient number, since it is larger than the sum of its proper divisors (1).

675220489 is an equidigital number, since it uses as much as digits as its factorization.

675220489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 675220489 is about 25985.0050798533. The cubic root of 675220489 is about 877.3008242137.

The spelling of 675220489 in words is "six hundred seventy-five million, two hundred twenty thousand, four hundred eighty-nine".