675584557 has 2 divisors, whose sum is σ = 675584558. Its totient is φ = 675584556.

The previous prime is 675584531. The next prime is 675584597. The reversal of 675584557 is 755485576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 632472201 + 43112356 = 25149^2 + 6566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675584557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675584597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337792278 + 337792279.

It is an arithmetic number, because the mean of its divisors is an integer number (337792279).

Almost surely, 2^675584557 is an apocalyptic number.

It is an amenable number.

675584557 is a deficient number, since it is larger than the sum of its proper divisors (1).

675584557 is an equidigital number, since it uses as much as digits as its factorization.

675584557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880000, while the sum is 52.

The square root of 675584557 is about 25992.0094836856. The cubic root of 675584557 is about 877.4584713695.

The spelling of 675584557 in words is "six hundred seventy-five million, five hundred eighty-four thousand, five hundred fifty-seven".