42251234 has 8 divisors (see below), whose sum is σ = 63958620. Its totient is φ = 20931696.

The previous prime is 42251227. The next prime is 42251267. The reversal of 42251234 is 43215224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40360609 + 1890625 = 6353^2 + 1375^2 .

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, 96689 + ... + 97124.

Almost surely, 2^42251234 is an apocalyptic number.

42251234 is a deficient number, since it is larger than the sum of its proper divisors (21707386).

42251234 is a wasteful number, since it uses less digits than its factorization.

42251234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193924.

The product of its digits is 1920, while the sum is 23.

The square root of 42251234 is about 6500.0949223838. The cubic root of 42251234 is about 348.2943792178.

Adding to 42251234 its reverse (43215224), we get a palindrome (85466458).

The spelling of 42251234 in words is "forty-two million, two hundred fifty-one thousand, two hundred thirty-four".