675517049 has 4 divisors (see below), whose sum is σ = 715253364. Its totient is φ = 635780736.

The previous prime is 675517043. The next prime is 675517069. The reversal of 675517049 is 940715576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 356001424 + 319515625 = 18868^2 + 17875^2 .

It is a cyclic number.

It is not a de Polignac number, because 675517049 - 2¹² = 675512953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675517043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19868132 + ... + 19868165.

It is an arithmetic number, because the mean of its divisors is an integer number (178813341).

Almost surely, 2^675517049 is an apocalyptic number.

It is an amenable number.

675517049 is a deficient number, since it is larger than the sum of its proper divisors (39736315).

675517049 is a wasteful number, since it uses less digits than its factorization.

675517049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39736314.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 675517049 is about 25990.7108213685. The cubic root of 675517049 is about 877.4292436245.

The spelling of 675517049 in words is "six hundred seventy-five million, five hundred seventeen thousand, forty-nine".