242604521 has 8 divisors (see below), whose sum is σ = 259186080. Its totient is φ = 226404288.

The previous prime is 242604499. The next prime is 242604541. The reversal of 242604521 is 125406242.

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

It is a cyclic number.

It is not a de Polignac number, because 242604521 - 2¹⁸ = 242342377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242604541) 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, 94016 + ... + 96561.

It is an arithmetic number, because the mean of its divisors is an integer number (32398260).

Almost surely, 2^242604521 is an apocalyptic number.

It is an amenable number.

242604521 is a deficient number, since it is larger than the sum of its proper divisors (16581559).

242604521 is a wasteful number, since it uses less digits than its factorization.

242604521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190663.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 242604521 is about 15575.7671079148. The cubic root of 242604521 is about 623.6864324519.

The spelling of 242604521 in words is "two hundred forty-two million, six hundred four thousand, five hundred twenty-one".