42499611 has 36 divisors (see below), whose sum is σ = 77911704. Its totient is φ = 22075200.

The previous prime is 42499591. The next prime is 42499631. The reversal of 42499611 is 11699424.

It is a happy number.

42499611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42499591) and next prime (42499631).

It is not a de Polignac number, because 42499611 - 2¹⁰ = 42498587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42499631) 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 35 ways as a sum of consecutive naturals, for example, 471 + ... + 9231.

It is an arithmetic number, because the mean of its divisors is an integer number (2164214).

Almost surely, 2^42499611 is an apocalyptic number.

42499611 is a deficient number, since it is larger than the sum of its proper divisors (35412093).

42499611 is a wasteful number, since it uses less digits than its factorization.

42499611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8792 (or 8782 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 42499611 is about 6519.1725701963. The cubic root of 42499611 is about 348.9755376214.

The spelling of 42499611 in words is "forty-two million, four hundred ninety-nine thousand, six hundred eleven".