98017521 has 16 divisors (see below), whose sum is σ = 149500800. Its totient is φ = 55957248.

The previous prime is 98017519. The next prime is 98017531. The reversal of 98017521 is 12571089.

It is not a de Polignac number, because 98017521 - 2¹ = 98017519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98017501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36265 + ... + 38873.

It is an arithmetic number, because the mean of its divisors is an integer number (9343800).

Almost surely, 2^98017521 is an apocalyptic number.

It is an amenable number.

98017521 is a deficient number, since it is larger than the sum of its proper divisors (51483279).

98017521 is a wasteful number, since it uses less digits than its factorization.

98017521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 98017521 is about 9900.3798411980. The cubic root of 98017521 is about 461.0711035734.

The spelling of 98017521 in words is "ninety-eight million, seventeen thousand, five hundred twenty-one".