242108282025 has 27 divisors (see below), whose sum is σ = 433656054039. Its totient is φ = 129120480720.

The previous prime is 242108281979. The next prime is 242108282041. The reversal of 242108282025 is 520282801242.

It is a happy number.

The square root of 242108282025 is 492045.

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

242108282025 is a `hidden beast` number, since 2 + 421 + 0 + 8 + 28 + 202 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 87158981529 + 154949300496 = 295227^2 + 393636^2 .

It is not a de Polignac number, because 242108282025 - 2¹³ = 242108273833 is a prime.

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, 7364274 + ... + 7397076.

Almost surely, 2^242108282025 is an apocalyptic number.

242108282025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242108282025 is the 492045-th square number.

242108282025 is the 246023-rd centered octagonal number.

It is an amenable number.

242108282025 is a deficient number, since it is larger than the sum of its proper divisors (191547772014).

242108282025 is an frugal number, since it uses more digits than its factorization.

242108282025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65622 (or 32811 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

Multiplying 242108282025 by its sum of digits (36), we get a square (8715898152900 = 2952270²).

The spelling of 242108282025 in words is "two hundred forty-two billion, one hundred eight million, two hundred eighty-two thousand, twenty-five".