242472532225 has 81 divisors (see below), whose sum is σ = 384741443331. Its totient is φ = 151033528800.

The previous prime is 242472532163. The next prime is 242472532243. The reversal of 242472532225 is 522235274242.

The square root of 242472532225 is 492415.

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., 87290111601 + 155182420624 = 295449^2 + 393932^2 .

It is not a de Polignac number, because 242472532225 - 2⁹ = 242472531713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 189579136 + ... + 189580414.

Almost surely, 2^242472532225 is an apocalyptic number.

242472532225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242472532225 is the 492415-th square number.

242472532225 is the 246208-th centered octagonal number.

It is an amenable number.

242472532225 is a deficient number, since it is larger than the sum of its proper divisors (142268911106).

242472532225 is an equidigital number, since it uses as much as digits as its factorization.

242472532225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604 (or 1302 counting only the distinct ones).

The product of its digits is 537600, while the sum is 40.

The spelling of 242472532225 in words is "two hundred forty-two billion, four hundred seventy-two million, five hundred thirty-two thousand, two hundred twenty-five".