675505477 has 2 divisors, whose sum is σ = 675505478. Its totient is φ = 675505476.

The previous prime is 675505459. The next prime is 675505541. The reversal of 675505477 is 774505576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 665175681 + 10329796 = 25791^2 + 3214^2 .

It is a cyclic number.

It is not a de Polignac number, because 675505477 - 2⁷ = 675505349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675505417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337752738 + 337752739.

It is an arithmetic number, because the mean of its divisors is an integer number (337752739).

Almost surely, 2^675505477 is an apocalyptic number.

It is an amenable number.

675505477 is a deficient number, since it is larger than the sum of its proper divisors (1).

675505477 is an equidigital number, since it uses as much as digits as its factorization.

675505477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1029000, while the sum is 46.

The square root of 675505477 is about 25990.4882024174. The cubic root of 675505477 is about 877.4242333047.

Subtracting 675505477 from its reverse (774505576), we obtain a palindrome (99000099).

The spelling of 675505477 in words is "six hundred seventy-five million, five hundred five thousand, four hundred seventy-seven".