2088456581 has 2 divisors, whose sum is σ = 2088456582. Its totient is φ = 2088456580.

The previous prime is 2088456553. The next prime is 2088456583. The reversal of 2088456581 is 1856548802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1257057025 + 831399556 = 35455^2 + 28834^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2088456581 is a prime.

It is a super-2 number, since 2×2088456581² = 8723301781444419122, which contains 22 as substring.

Together with 2088456583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2088456583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044228290 + 1044228291.

It is an arithmetic number, because the mean of its divisors is an integer number (1044228291).

Almost surely, 2^2088456581 is an apocalyptic number.

It is an amenable number.

2088456581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2088456581 is an equidigital number, since it uses as much as digits as its factorization.

2088456581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 614400, while the sum is 47.

The square root of 2088456581 is about 45699.6343639640. The cubic root of 2088456581 is about 1278.2284617726.

The spelling of 2088456581 in words is "two billion, eighty-eight million, four hundred fifty-six thousand, five hundred eighty-one".