424425242 has 4 divisors (see below), whose sum is σ = 636637866. Its totient is φ = 212212620.

The previous prime is 424425229. The next prime is 424425257. The reversal of 424425242 is 242524424.

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., 422261401 + 2163841 = 20549^2 + 1471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106309 + ... + 106106312.

Almost surely, 2^424425242 is an apocalyptic number.

424425242 is a deficient number, since it is larger than the sum of its proper divisors (212212624).

424425242 is a wasteful number, since it uses less digits than its factorization.

424425242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212212623.

The product of its digits is 20480, while the sum is 29.

The square root of 424425242 is about 20601.5834828297. The cubic root of 424425242 is about 751.5082195173.

Adding to 424425242 its reverse (242524424), we get a palindrome (666949666).

The spelling of 424425242 in words is "four hundred twenty-four million, four hundred twenty-five thousand, two hundred forty-two".