988541 has 2 divisors, whose sum is σ = 988542. Its totient is φ = 988540.

The previous prime is 988511. The next prime is 988549. The reversal of 988541 is 145889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 592900 + 395641 = 770^2 + 629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988541 is a prime.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988541.

It is not a weakly prime, because it can be changed into another prime (988549) 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, 494270 + 494271.

It is an arithmetic number, because the mean of its divisors is an integer number (494271).

2⁹⁸⁸⁵⁴¹ is an apocalyptic number.

It is an amenable number.

988541 is a deficient number, since it is larger than the sum of its proper divisors (1).

988541 is an equidigital number, since it uses as much as digits as its factorization.

988541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 35.

The square root of 988541 is about 994.2539916943. The cubic root of 988541 is about 99.6165649884.

The spelling of 988541 in words is "nine hundred eighty-eight thousand, five hundred forty-one".