988041601 has 2 divisors, whose sum is σ = 988041602. Its totient is φ = 988041600.

The previous prime is 988041577. The next prime is 988041617. The reversal of 988041601 is 106140889.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 962488576 + 25553025 = 31024^2 + 5055^2 .

It is an emirp because it is prime and its reverse (106140889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 988041601 - 2¹⁹ = 987517313 is a prime.

It is not a weakly prime, because it can be changed into another prime (988041631) 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, 494020800 + 494020801.

It is an arithmetic number, because the mean of its divisors is an integer number (494020801).

Almost surely, 2^988041601 is an apocalyptic number.

It is an amenable number.

988041601 is a deficient number, since it is larger than the sum of its proper divisors (1).

988041601 is an equidigital number, since it uses as much as digits as its factorization.

988041601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 988041601 is about 31433.1290360982. The cubic root of 988041601 is about 995.9978713335.

The spelling of 988041601 in words is "nine hundred eighty-eight million, forty-one thousand, six hundred one".