42513934 has 8 divisors (see below), whose sum is σ = 63889128. Its totient is φ = 21217560.

The previous prime is 42513917. The next prime is 42513941. The reversal of 42513934 is 43931524.

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

It is a junction number, because it is equal to n+sod(n) for n = 42513896 and 42513905.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18337 + ... + 20524.

It is an arithmetic number, because the mean of its divisors is an integer number (7986141).

Almost surely, 2^42513934 is an apocalyptic number.

42513934 is a deficient number, since it is larger than the sum of its proper divisors (21375194).

42513934 is a wasteful number, since it uses less digits than its factorization.

42513934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39410.

The product of its digits is 12960, while the sum is 31.

The square root of 42513934 is about 6520.2710066377. The cubic root of 42513934 is about 349.0147365310.

The spelling of 42513934 in words is "forty-two million, five hundred thirteen thousand, nine hundred thirty-four".