675540517 has 2 divisors, whose sum is σ = 675540518. Its totient is φ = 675540516.

The previous prime is 675540511. The next prime is 675540533. The reversal of 675540517 is 715045576.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442092676 + 233447841 = 21026^2 + 15279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675540517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 675540517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675540511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337770258 + 337770259.

It is an arithmetic number, because the mean of its divisors is an integer number (337770259).

Almost surely, 2^675540517 is an apocalyptic number.

It is an amenable number.

675540517 is a deficient number, since it is larger than the sum of its proper divisors (1).

675540517 is an equidigital number, since it uses as much as digits as its factorization.

675540517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 675540517 is about 25991.1622864388. The cubic root of 675540517 is about 877.4394043703.

The spelling of 675540517 in words is "six hundred seventy-five million, five hundred forty thousand, five hundred seventeen".