242032521 has 8 divisors (see below), whose sum is σ = 333838080. Its totient is φ = 155790992.

The previous prime is 242032517. The next prime is 242032529. The reversal of 242032521 is 125230242.

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 242032521 - 2² = 242032517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242032529) 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, 1390905 + ... + 1391078.

It is an arithmetic number, because the mean of its divisors is an integer number (41729760).

Almost surely, 2^242032521 is an apocalyptic number.

It is an amenable number.

242032521 is a deficient number, since it is larger than the sum of its proper divisors (91805559).

242032521 is a wasteful number, since it uses less digits than its factorization.

242032521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782015.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 242032521 is about 15557.3944155183. The cubic root of 242032521 is about 623.1958818499.

Adding to 242032521 its reverse (125230242), we get a palindrome (367262763).

The spelling of 242032521 in words is "two hundred forty-two million, thirty-two thousand, five hundred twenty-one".