42513046 has 4 divisors (see below), whose sum is σ = 63769572. Its totient is φ = 21256522.

The previous prime is 42513017. The next prime is 42513067. The reversal of 42513046 is 64031524.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42513046.

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 as a sum of consecutive naturals, namely, 10628260 + ... + 10628263.

It is an arithmetic number, because the mean of its divisors is an integer number (15942393).

Almost surely, 2^42513046 is an apocalyptic number.

42513046 is a deficient number, since it is larger than the sum of its proper divisors (21256526).

42513046 is a wasteful number, since it uses less digits than its factorization.

42513046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21256525.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42513046 is about 6520.2029109530. The cubic root of 42513046 is about 349.0123065258.

The spelling of 42513046 in words is "forty-two million, five hundred thirteen thousand, forty-six".