210098473225 has 9 divisors (see below), whose sum is σ = 260524948693. Its totient is φ = 168076945120.

The previous prime is 210098473219. The next prime is 210098473271. The reversal of 210098473225 is 522374890012.

The square root of 210098473225 is 458365.

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

It can be written as a sum of positive squares in 4 ways, for example, as 14525793529 + 195572679696 = 120523^2 + 442236^2 .

It is not a de Polignac number, because 210098473225 - 2²¹ = 210096376073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2245989 + ... + 2337661.

Almost surely, 2^210098473225 is an apocalyptic number.

210098473225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

210098473225 is the 458365-th square number.

210098473225 is the 229183-rd centered octagonal number.

It is an amenable number.

210098473225 is a deficient number, since it is larger than the sum of its proper divisors (50426475468).

210098473225 is an frugal number, since it uses more digits than its factorization.

210098473225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183356 (or 91678 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 210098473225 in words is "two hundred ten billion, ninety-eight million, four hundred seventy-three thousand, two hundred twenty-five".