988318501 has 2 divisors, whose sum is σ = 988318502. Its totient is φ = 988318500.

The previous prime is 988318483. The next prime is 988318517. The reversal of 988318501 is 105813889.

988318501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734681025 + 253637476 = 27105^2 + 15926^2 .

It is a cyclic number.

It is not a de Polignac number, because 988318501 - 2⁵ = 988318469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988318531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494159250 + 494159251.

It is an arithmetic number, because the mean of its divisors is an integer number (494159251).

Almost surely, 2^988318501 is an apocalyptic number.

It is an amenable number.

988318501 is a deficient number, since it is larger than the sum of its proper divisors (1).

988318501 is an equidigital number, since it uses as much as digits as its factorization.

988318501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 43.

The square root of 988318501 is about 31437.5333160857. The cubic root of 988318501 is about 996.0909058949.

The spelling of 988318501 in words is "nine hundred eighty-eight million, three hundred eighteen thousand, five hundred one".