42052474 has 4 divisors (see below), whose sum is σ = 63078714. Its totient is φ = 21026236.

The previous prime is 42052459. The next prime is 42052477. The reversal of 42052474 is 47425024.

It is a happy number.

42052474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 41512249 + 540225 = 6443^2 + 735^2 .

It is not an unprimeable number, because it can be changed into a prime (42052477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10513117 + ... + 10513120.

Almost surely, 2^42052474 is an apocalyptic number.

42052474 is a deficient number, since it is larger than the sum of its proper divisors (21026240).

42052474 is a wasteful number, since it uses less digits than its factorization.

42052474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026239.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 42052474 is about 6484.7878916739. The cubic root of 42052474 is about 347.7473669585.

Adding to 42052474 its reverse (47425024), we get a palindrome (89477498).

The spelling of 42052474 in words is "forty-two million, fifty-two thousand, four hundred seventy-four".