2208673531 has 2 divisors, whose sum is σ = 2208673532. Its totient is φ = 2208673530.

The previous prime is 2208673513. The next prime is 2208673583. The reversal of 2208673531 is 1353768022.

Together with previous prime (2208673513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2208673531 - 2⁵ = 2208673499 is a prime.

It is a super-2 number, since 2×2208673531² = 9756477533080015922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2208673591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104336765 + 1104336766.

It is an arithmetic number, because the mean of its divisors is an integer number (1104336766).

Almost surely, 2^2208673531 is an apocalyptic number.

2208673531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2208673531 is an equidigital number, since it uses as much as digits as its factorization.

2208673531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2208673531 is about 46996.5267972007. The cubic root of 2208673531 is about 1302.2984056118.

The spelling of 2208673531 in words is "two billion, two hundred eight million, six hundred seventy-three thousand, five hundred thirty-one".