98515801 has 2 divisors, whose sum is σ = 98515802. Its totient is φ = 98515800.

The previous prime is 98515789. The next prime is 98515829. The reversal of 98515801 is 10851589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72658576 + 25857225 = 8524^2 + 5085^2 .

It is a cyclic number.

It is not a de Polignac number, because 98515801 - 2⁷ = 98515673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98515891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49257900 + 49257901.

It is an arithmetic number, because the mean of its divisors is an integer number (49257901).

Almost surely, 2^98515801 is an apocalyptic number.

It is an amenable number.

98515801 is a deficient number, since it is larger than the sum of its proper divisors (1).

98515801 is an equidigital number, since it uses as much as digits as its factorization.

98515801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 37.

The square root of 98515801 is about 9925.5126315974. The cubic root of 98515801 is about 461.8510807926.

The spelling of 98515801 in words is "ninety-eight million, five hundred fifteen thousand, eight hundred one".