242532021 has 8 divisors (see below), whose sum is σ = 324801504. Its totient is φ = 160975280.

The previous prime is 242532011. The next prime is 242532023. The reversal of 242532021 is 120235242.

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 242532021 - 2¹³ = 242523829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242532023) 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, 177390 + ... + 178751.

It is an arithmetic number, because the mean of its divisors is an integer number (40600188).

Almost surely, 2^242532021 is an apocalyptic number.

It is an amenable number.

242532021 is a deficient number, since it is larger than the sum of its proper divisors (82269483).

242532021 is a wasteful number, since it uses less digits than its factorization.

242532021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356371.

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

The square root of 242532021 is about 15573.4396008075. The cubic root of 242532021 is about 623.6242987220.

Adding to 242532021 its reverse (120235242), we get a palindrome (362767263).

The spelling of 242532021 in words is "two hundred forty-two million, five hundred thirty-two thousand, twenty-one".