675473581 has 2 divisors, whose sum is σ = 675473582. Its totient is φ = 675473580.

The previous prime is 675473551. The next prime is 675473587. The reversal of 675473581 is 185374576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640545481 + 34928100 = 25309^2 + 5910^2 .

It is a cyclic number.

It is not a de Polignac number, because 675473581 - 2¹³ = 675465389 is a prime.

It is a super-2 number, since 2×675473581² = 912529117257927122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675473587) 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 as a sum of consecutive naturals, namely, 337736790 + 337736791.

It is an arithmetic number, because the mean of its divisors is an integer number (337736791).

Almost surely, 2^675473581 is an apocalyptic number.

It is an amenable number.

675473581 is a deficient number, since it is larger than the sum of its proper divisors (1).

675473581 is an equidigital number, since it uses as much as digits as its factorization.

675473581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 46.

The square root of 675473581 is about 25989.8745860768. The cubic root of 675473581 is about 877.4104230225.

The spelling of 675473581 in words is "six hundred seventy-five million, four hundred seventy-three thousand, five hundred eighty-one".