98545801 has 4 divisors (see below), whose sum is σ = 99521604.
Its totient is φ = 97570000.
The previous prime is 98545789. The next prime is 98545813. The reversal of 98545801 is 10854589.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10854589 = 73 ⋅148693.
It is an interprime number because it is at equal distance from previous prime (98545789) and next prime (98545813).
It can be written as a sum of positive squares in 2 ways, for example, as 95570176 + 2975625 = 9776^2 + 1725^2
It is a cyclic number.
It is not a de Polignac number, because 98545801 - 213 = 98537609 is a prime.
It is a super-2 number, since 2×985458012 = 19422549789463202, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (98545841) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487750 + ... + 487951.
It is an arithmetic number, because the mean of its divisors is an integer number (24880401).
Almost surely, 298545801 is an apocalyptic number.
98545801 is the 4440-th centered decagonal number.
It is an amenable number.
98545801 is a deficient number, since it is larger than the sum of its proper divisors (975803).
98545801 is a wasteful number, since it uses less digits than its factorization.
98545801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 975802.
The product of its (nonzero) digits is 57600, while the sum is 40.
The square root of 98545801 is about 9927.0237735184.
The cubic root of 98545801 is about 461.8979569488.
The spelling of 98545801 in words is "ninety-eight million, five hundred forty-five thousand, eight hundred one".