88361549 has 2 divisors, whose sum is σ = 88361550. Its totient is φ = 88361548.

The previous prime is 88361503. The next prime is 88361557. The reversal of 88361549 is 94516388.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72505225 + 15856324 = 8515^2 + 3982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88361549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88361599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44180774 + 44180775.

It is an arithmetic number, because the mean of its divisors is an integer number (44180775).

Almost surely, 2^88361549 is an apocalyptic number.

It is an amenable number.

88361549 is a deficient number, since it is larger than the sum of its proper divisors (1).

88361549 is an equidigital number, since it uses as much as digits as its factorization.

88361549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 88361549 is about 9400.0823932559. The cubic root of 88361549 is about 445.4043356114.

The spelling of 88361549 in words is "eighty-eight million, three hundred sixty-one thousand, five hundred forty-nine".