98109025 has 27 divisors (see below), whose sum is σ = 142019091. Its totient is φ = 67037040.

The previous prime is 98108987. The next prime is 98109031. The reversal of 98109025 is 52090189.

The square root of 98109025 is 9905.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 35319249 + 62789776 = 5943^2 + 7924^2 .

It is not a de Polignac number, because 98109025 - 2¹¹ = 98106977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 346534 + ... + 346816.

Almost surely, 2^98109025 is an apocalyptic number.

98109025 is the 9905-th square number.

98109025 is the 4953-rd centered octagonal number.

It is an amenable number.

98109025 is a deficient number, since it is larger than the sum of its proper divisors (43910066).

98109025 is an equidigital number, since it uses as much as digits as its factorization.

98109025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The cubic root of 98109025 is about 461.2145361893.

The spelling of 98109025 in words is "ninety-eight million, one hundred nine thousand, twenty-five".