242536473 has 6 divisors (see below), whose sum is σ = 350330474. Its totient is φ = 161690976.

The previous prime is 242536471. The next prime is 242536477. The reversal of 242536473 is 374635242.

242536473 is a `hidden beast` number, since 2 + 4 + 2 + 5 + 3 + 647 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 175509504 + 67026969 = 13248^2 + 8187^2 .

It is not a de Polignac number, because 242536473 - 2¹ = 242536471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242536471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13474240 + ... + 13474257.

Almost surely, 2^242536473 is an apocalyptic number.

It is an amenable number.

242536473 is a deficient number, since it is larger than the sum of its proper divisors (107794001).

242536473 is a wasteful number, since it uses less digits than its factorization.

242536473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26948503 (or 26948500 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 242536473 is about 15573.5825358201. The cubic root of 242536473 is about 623.6281145183.

The spelling of 242536473 in words is "two hundred forty-two million, five hundred thirty-six thousand, four hundred seventy-three".