242241497 has 4 divisors (see below), whose sum is σ = 252773760. Its totient is φ = 231709236.

The previous prime is 242241487. The next prime is 242241499. The reversal of 242241497 is 794142242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242241497 - 2⁴ = 242241481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242241499) 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, 5266097 + ... + 5266142.

It is an arithmetic number, because the mean of its divisors is an integer number (63193440).

Almost surely, 2^242241497 is an apocalyptic number.

It is an amenable number.

242241497 is a deficient number, since it is larger than the sum of its proper divisors (10532263).

242241497 is a wasteful number, since it uses less digits than its factorization.

242241497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10532262.

The product of its digits is 32256, while the sum is 35.

The square root of 242241497 is about 15564.1092581619. The cubic root of 242241497 is about 623.3751904239.

The spelling of 242241497 in words is "two hundred forty-two million, two hundred forty-one thousand, four hundred ninety-seven".