42425266 has 8 divisors (see below), whose sum is σ = 68533164. Its totient is φ = 19580880.

The previous prime is 42425249. The next prime is 42425287. The reversal of 42425266 is 66252424.

It can be written as a sum of positive squares in 2 ways, for example, as 32319225 + 10106041 = 5685^2 + 3179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815845 + ... + 815896.

Almost surely, 2^42425266 is an apocalyptic number.

42425266 is a deficient number, since it is larger than the sum of its proper divisors (26107898).

42425266 is a wasteful number, since it uses less digits than its factorization.

42425266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631756.

The product of its digits is 23040, while the sum is 31.

The square root of 42425266 is about 6513.4680470545. The cubic root of 42425266 is about 348.7719300367.

The spelling of 42425266 in words is "forty-two million, four hundred twenty-five thousand, two hundred sixty-six".