988555201 has 2 divisors, whose sum is σ = 988555202. Its totient is φ = 988555200.

The previous prime is 988555193. The next prime is 988555231. The reversal of 988555201 is 102555889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 796594176 + 191961025 = 28224^2 + 13855^2 .

It is a cyclic number.

It is not a de Polignac number, because 988555201 - 2³ = 988555193 is a prime.

It is equal to p_50294977 and since 988555201 and 50294977 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (988555231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494277600 + 494277601.

It is an arithmetic number, because the mean of its divisors is an integer number (494277601).

Almost surely, 2^988555201 is an apocalyptic number.

It is an amenable number.

988555201 is a deficient number, since it is larger than the sum of its proper divisors (1).

988555201 is an equidigital number, since it uses as much as digits as its factorization.

988555201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 43.

The square root of 988555201 is about 31441.2976990454. The cubic root of 988555201 is about 996.1704200385.

The spelling of 988555201 in words is "nine hundred eighty-eight million, five hundred fifty-five thousand, two hundred one".