242531426 has 4 divisors (see below), whose sum is σ = 363797142. Its totient is φ = 121265712.

The previous prime is 242531423. The next prime is 242531459. The reversal of 242531426 is 624135242.

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., 211673401 + 30858025 = 14549^2 + 5555^2 .

It is not an unprimeable number, because it can be changed into a prime (242531423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60632855 + ... + 60632858.

Almost surely, 2^242531426 is an apocalyptic number.

242531426 is a deficient number, since it is larger than the sum of its proper divisors (121265716).

242531426 is a wasteful number, since it uses less digits than its factorization.

242531426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121265715.

The product of its digits is 11520, while the sum is 29.

The square root of 242531426 is about 15573.4204977584. The cubic root of 242531426 is about 623.6237887457.

Adding to 242531426 its reverse (624135242), we get a palindrome (866666668).

The spelling of 242531426 in words is "two hundred forty-two million, five hundred thirty-one thousand, four hundred twenty-six".