675538447 has 2 divisors, whose sum is σ = 675538448. Its totient is φ = 675538446.

The previous prime is 675538439. The next prime is 675538511. The reversal of 675538447 is 744835576.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 675538447 - 2³ = 675538439 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 675538447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675538417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337769223 + 337769224.

It is an arithmetic number, because the mean of its divisors is an integer number (337769224).

Almost surely, 2^675538447 is an apocalyptic number.

675538447 is a deficient number, since it is larger than the sum of its proper divisors (1).

675538447 is an equidigital number, since it uses as much as digits as its factorization.

675538447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2822400, while the sum is 49.

The square root of 675538447 is about 25991.1224651803. The cubic root of 675538447 is about 877.4385081489.

The spelling of 675538447 in words is "six hundred seventy-five million, five hundred thirty-eight thousand, four hundred forty-seven".