98125 has 10 divisors (see below), whose sum is σ = 123398. Its totient is φ = 78000.
The previous prime is 98123. The next prime is 98129. The reversal of 98125 is 52189.
It can be written as a sum of positive squares in 5 ways, for example, as 48841 + 49284 = 221^2 + 222^2 .
It is not a de Polignac number, because 98125 - 21 = 98123 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 98125.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (98123) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 547 + ... + 703.
298125 is an apocalyptic number.
98125 is the 157-th decagonal number.
98125 is the 222-nd centered square number.
It is an amenable number.
98125 is a deficient number, since it is larger than the sum of its proper divisors (25273).
98125 is an equidigital number, since it uses as much as digits as its factorization.
98125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177 (or 162 counting only the distinct ones).
The product of its digits is 720, while the sum is 25.
The square root of 98125 is about 313.2491021535. The cubic root of 98125 is about 46.1239567873.
The spelling of 98125 in words is "ninety-eight thousand, one hundred twenty-five".
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