242585242 has 4 divisors (see below), whose sum is σ = 363877866. Its totient is φ = 121292620.

The previous prime is 242585237. The next prime is 242585249.

242585242 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 227677921 + 14907321 = 15089^2 + 3861^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242585198 and 242585207.

It is not an unprimeable number, because it can be changed into a prime (242585249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60646309 + ... + 60646312.

Almost surely, 2^242585242 is an apocalyptic number.

242585242 is a deficient number, since it is larger than the sum of its proper divisors (121292624).

242585242 is a wasteful number, since it uses less digits than its factorization.

242585242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121292623.

The product of its digits is 51200, while the sum is 34.

The square root of 242585242 is about 15575.1482175933. The cubic root of 242585242 is about 623.6699112302.

The spelling of 242585242 in words is "two hundred forty-two million, five hundred eighty-five thousand, two hundred forty-two".