242403261 has 8 divisors (see below), whose sum is σ = 323489280. Its totient is φ = 161459712.

The previous prime is 242403251. The next prime is 242403269. The reversal of 242403261 is 162304242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242403261 - 2¹¹ = 242401213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242403269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31581 + ... + 38498.

It is an arithmetic number, because the mean of its divisors is an integer number (40436160).

Almost surely, 2^242403261 is an apocalyptic number.

It is an amenable number.

242403261 is a deficient number, since it is larger than the sum of its proper divisors (81086019).

242403261 is a wasteful number, since it uses less digits than its factorization.

242403261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71235.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 242403261 is about 15569.3050904657. The cubic root of 242403261 is about 623.5139186870.

The spelling of 242403261 in words is "two hundred forty-two million, four hundred three thousand, two hundred sixty-one".