242544461 has 4 divisors (see below), whose sum is σ = 243184800. Its totient is φ = 241904124.

The previous prime is 242544413. The next prime is 242544469. The reversal of 242544461 is 164445242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242544461 - 2²² = 238350157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242544469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319601 + ... + 320358.

It is an arithmetic number, because the mean of its divisors is an integer number (60796200).

Almost surely, 2^242544461 is an apocalyptic number.

It is an amenable number.

242544461 is a deficient number, since it is larger than the sum of its proper divisors (640339).

242544461 is an equidigital number, since it uses as much as digits as its factorization.

242544461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640338.

The product of its digits is 30720, while the sum is 32.

The square root of 242544461 is about 15573.8389936457. The cubic root of 242544461 is about 623.6349608930.

The spelling of 242544461 in words is "two hundred forty-two million, five hundred forty-four thousand, four hundred sixty-one".