42257452 has 12 divisors (see below), whose sum is σ = 75204360. Its totient is φ = 20770496.

The previous prime is 42257431. The next prime is 42257489. The reversal of 42257452 is 25475224.

It is a zygodrome in base 3.

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, 89293 + ... + 89764.

It is an arithmetic number, because the mean of its divisors is an integer number (6267030).

Almost surely, 2^42257452 is an apocalyptic number.

It is an amenable number.

42257452 is a deficient number, since it is larger than the sum of its proper divisors (32946908).

42257452 is a wasteful number, since it uses less digits than its factorization.

42257452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179120 (or 179118 counting only the distinct ones).

The product of its digits is 22400, while the sum is 31.

The square root of 42257452 is about 6500.5732054950. The cubic root of 42257452 is about 348.3114642274.

The spelling of 42257452 in words is "forty-two million, two hundred fifty-seven thousand, four hundred fifty-two".