42252934 has 4 divisors (see below), whose sum is σ = 63379404. Its totient is φ = 21126466.

The previous prime is 42252929. The next prime is 42252937. The reversal of 42252934 is 43925224.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 42252896 and 42252905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42252937) 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 as a sum of consecutive naturals, namely, 10563232 + ... + 10563235.

It is an arithmetic number, because the mean of its divisors is an integer number (15844851).

Almost surely, 2^42252934 is an apocalyptic number.

42252934 is a deficient number, since it is larger than the sum of its proper divisors (21126470).

42252934 is a wasteful number, since it uses less digits than its factorization.

42252934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21126469.

The product of its digits is 17280, while the sum is 31.

The square root of 42252934 is about 6500.2256883896. The cubic root of 42252934 is about 348.2990504226.

The spelling of 42252934 in words is "forty-two million, two hundred fifty-two thousand, nine hundred thirty-four".