98187541 has 2 divisors, whose sum is σ = 98187542. Its totient is φ = 98187540.

The previous prime is 98187517. The next prime is 98187581. The reversal of 98187541 is 14578189.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97594641 + 592900 = 9879^2 + 770^2 .

It is an emirp because it is prime and its reverse (14578189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98187541 - 2⁷ = 98187413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98187511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49093770 + 49093771.

It is an arithmetic number, because the mean of its divisors is an integer number (49093771).

Almost surely, 2^98187541 is an apocalyptic number.

It is an amenable number.

98187541 is a deficient number, since it is larger than the sum of its proper divisors (1).

98187541 is an equidigital number, since it uses as much as digits as its factorization.

98187541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 43.

The square root of 98187541 is about 9908.9626601375. The cubic root of 98187541 is about 461.3375390240.

The spelling of 98187541 in words is "ninety-eight million, one hundred eighty-seven thousand, five hundred forty-one".