242421083 has 4 divisors (see below), whose sum is σ = 243760608. Its totient is φ = 241081560.

The previous prime is 242421043. The next prime is 242421097. The reversal of 242421083 is 380124242.

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

It is a cyclic number.

It is not a de Polignac number, because 242421083 - 2²⁰ = 241372507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242421013) 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, 669491 + ... + 669852.

It is an arithmetic number, because the mean of its divisors is an integer number (60940152).

Almost surely, 2^242421083 is an apocalyptic number.

242421083 is a deficient number, since it is larger than the sum of its proper divisors (1339525).

242421083 is a wasteful number, since it uses less digits than its factorization.

242421083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339524.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 242421083 is about 15569.8774240519. The cubic root of 242421083 is about 623.5291989995.

The spelling of 242421083 in words is "two hundred forty-two million, four hundred twenty-one thousand, eighty-three".