675142081 has 2 divisors, whose sum is σ = 675142082. Its totient is φ = 675142080.

The previous prime is 675142079. The next prime is 675142109. The reversal of 675142081 is 180241576.

675142081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362559681 + 312582400 = 19041^2 + 17680^2 .

It is a cyclic number.

It is not a de Polignac number, because 675142081 - 2¹ = 675142079 is a prime.

It is a super-2 number, since 2×675142081² = 911633659074021122, which contains 22 as substring.

Together with 675142079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (675142381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337571040 + 337571041.

It is an arithmetic number, because the mean of its divisors is an integer number (337571041).

Almost surely, 2^675142081 is an apocalyptic number.

It is an amenable number.

675142081 is a deficient number, since it is larger than the sum of its proper divisors (1).

675142081 is an equidigital number, since it uses as much as digits as its factorization.

675142081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 675142081 is about 25983.4963197796. The cubic root of 675142081 is about 877.2668649036.

The spelling of 675142081 in words is "six hundred seventy-five million, one hundred forty-two thousand, eighty-one".