42252881 has 8 divisors (see below), whose sum is σ = 46744128. Its totient is φ = 37870000.

The previous prime is 42252857. The next prime is 42252883. The reversal of 42252881 is 18825224.

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

It is a cyclic number.

It is not a de Polignac number, because 42252881 - 2¹⁰ = 42251857 is a prime.

It is a super-2 number, since 2×42252881² = 3570611905600322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42252883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26270 + ... + 27831.

It is an arithmetic number, because the mean of its divisors is an integer number (5843016).

Almost surely, 2^42252881 is an apocalyptic number.

It is an amenable number.

42252881 is a deficient number, since it is larger than the sum of its proper divisors (4491247).

42252881 is a wasteful number, since it uses less digits than its factorization.

42252881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54183.

The product of its digits is 10240, while the sum is 32.

The square root of 42252881 is about 6500.2216116068. The cubic root of 42252881 is about 348.2989047928.

The spelling of 42252881 in words is "forty-two million, two hundred fifty-two thousand, eight hundred eighty-one".