242527521 has 8 divisors (see below), whose sum is σ = 328671424. Its totient is φ = 159034320.

The previous prime is 242527517. The next prime is 242527529. The reversal of 242527521 is 125725242.

242527521 = 1349² + 1350² + ... + 1470².

242527521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 242527521 - 2² = 242527517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242527529) 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, 662461 + ... + 662826.

It is an arithmetic number, because the mean of its divisors is an integer number (41083928).

Almost surely, 2^242527521 is an apocalyptic number.

It is an amenable number.

242527521 is a deficient number, since it is larger than the sum of its proper divisors (86143903).

242527521 is a wasteful number, since it uses less digits than its factorization.

242527521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325351.

The product of its digits is 11200, while the sum is 30.

The square root of 242527521 is about 15573.2951233835. The cubic root of 242527521 is about 623.6204417375.

The spelling of 242527521 in words is "two hundred forty-two million, five hundred twenty-seven thousand, five hundred twenty-one".