210860048025 has 189 divisors, whose sum is σ = 434289121903. Its totient is φ = 97790167200.

The previous prime is 210860048017. The next prime is 210860048033. The reversal of 210860048025 is 520840068012.

The square root of 210860048025 is 459195.

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

210860048025 is a `hidden beast` number, since 2 + 1 + 0 + 8 + 600 + 48 + 0 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (210860048017) and next prime (210860048033).

It can be written as a sum of positive squares in only one way, i.e., 75909617289 + 134950430736 = 275517^2 + 367356^2 .

It is not a de Polignac number, because 210860048025 - 2³ = 210860048017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 188 ways as a sum of consecutive naturals, for example, 9167828164 + ... + 9167828186.

Almost surely, 2^210860048025 is an apocalyptic number.

210860048025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

210860048025 is the 459195-th square number.

210860048025 is the 229598-th centered octagonal number.

It is an amenable number.

210860048025 is an abundant number, since it is smaller than the sum of its proper divisors (223429073878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210860048025 is an frugal number, since it uses more digits than its factorization.

210860048025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

Multiplying 210860048025 by its sum of digits (36), we get a square (7590961728900 = 2755170²).

The spelling of 210860048025 in words is "two hundred ten billion, eight hundred sixty million, forty-eight thousand, twenty-five".