988357241 has 2 divisors, whose sum is σ = 988357242. Its totient is φ = 988357240.

The previous prime is 988357211. The next prime is 988357243. The reversal of 988357241 is 142753889.

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., 968143225 + 20214016 = 31115^2 + 4496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988357241 is a prime.

Together with 988357243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (988357243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494178620 + 494178621.

It is an arithmetic number, because the mean of its divisors is an integer number (494178621).

Almost surely, 2^988357241 is an apocalyptic number.

It is an amenable number.

988357241 is a deficient number, since it is larger than the sum of its proper divisors (1).

988357241 is an equidigital number, since it uses as much as digits as its factorization.

988357241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 988357241 is about 31438.1494525362. The cubic root of 988357241 is about 996.1039206122.

The spelling of 988357241 in words is "nine hundred eighty-eight million, three hundred fifty-seven thousand, two hundred forty-one".