88451641 has 2 divisors, whose sum is σ = 88451642. Its totient is φ = 88451640.

The previous prime is 88451617. The next prime is 88451651. The reversal of 88451641 is 14615488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58201641 + 30250000 = 7629^2 + 5500^2 .

It is a cyclic number.

It is not a de Polignac number, because 88451641 - 2⁷ = 88451513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88451641.

It is not a weakly prime, because it can be changed into another prime (88451611) 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, 44225820 + 44225821.

It is an arithmetic number, because the mean of its divisors is an integer number (44225821).

Almost surely, 2^88451641 is an apocalyptic number.

It is an amenable number.

88451641 is a deficient number, since it is larger than the sum of its proper divisors (1).

88451641 is an equidigital number, since it uses as much as digits as its factorization.

88451641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 37.

The square root of 88451641 is about 9404.8732580508. The cubic root of 88451641 is about 445.5556598690. Note that the first 3 decimals are identical.

It can be divided in two parts, 884 and 51641, that added together give a palindrome (52525).

The spelling of 88451641 in words is "eighty-eight million, four hundred fifty-one thousand, six hundred forty-one".