242425431 has 6 divisors (see below), whose sum is σ = 350170080. Its totient is φ = 161616948.

The previous prime is 242425429. The next prime is 242425459. The reversal of 242425431 is 134524242.

It is not a de Polignac number, because 242425431 - 2¹ = 242425429 is a prime.

It is a super-2 number, since 2×242425431² = 117540179191071522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242425395 and 242425404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242425531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13468071 + ... + 13468088.

It is an arithmetic number, because the mean of its divisors is an integer number (58361680).

Almost surely, 2^242425431 is an apocalyptic number.

242425431 is a deficient number, since it is larger than the sum of its proper divisors (107744649).

242425431 is a wasteful number, since it uses less digits than its factorization.

242425431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26936165 (or 26936162 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 242425431 is about 15570.0170520138. The cubic root of 242425431 is about 623.5329267951.

Adding to 242425431 its reverse (134524242), we get a palindrome (376949673).

The spelling of 242425431 in words is "two hundred forty-two million, four hundred twenty-five thousand, four hundred thirty-one".