42499011 has 4 divisors (see below), whose sum is σ = 56665352. Its totient is φ = 28332672.

The previous prime is 42499003. The next prime is 42499021. The reversal of 42499011 is 11099424.

42499011 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 is not a de Polignac number, because 42499011 - 2³ = 42499003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42499011.

It is not an unprimeable number, because it can be changed into a prime (42499021) 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 in 3 ways as a sum of consecutive naturals, for example, 7083166 + ... + 7083171.

It is an arithmetic number, because the mean of its divisors is an integer number (14166338).

Almost surely, 2^42499011 is an apocalyptic number.

42499011 is a deficient number, since it is larger than the sum of its proper divisors (14166341).

42499011 is a wasteful number, since it uses less digits than its factorization.

42499011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14166340.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 42499011 is about 6519.1265519240. The cubic root of 42499011 is about 348.9738953608.

The spelling of 42499011 in words is "forty-two million, four hundred ninety-nine thousand, eleven".