242461 has 4 divisors (see below), whose sum is σ = 249052. Its totient is φ = 235872.

The previous prime is 242453. The next prime is 242467. The reversal of 242461 is 164242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156025 + 86436 = 395^2 + 294^2 .

It is a cyclic number.

It is not a de Polignac number, because 242461 - 2³ = 242453 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 (242467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3240 + ... + 3313.

It is an arithmetic number, because the mean of its divisors is an integer number (62263).

2²⁴²⁴⁶¹ is an apocalyptic number.

It is an amenable number.

242461 is a deficient number, since it is larger than the sum of its proper divisors (6591).

242461 is an equidigital number, since it uses as much as digits as its factorization.

242461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6590.

The product of its digits is 384, while the sum is 19.

The square root of 242461 is about 492.4032899971. The cubic root of 242461 is about 62.3563420513.

It can be divided in two parts, 2424 and 61, that added together give a triangular number (2485 = T₇₀).

The spelling of 242461 in words is "two hundred forty-two thousand, four hundred sixty-one".