42052011 has 4 divisors (see below), whose sum is σ = 56069352. Its totient is φ = 28034672.

The previous prime is 42052007. The next prime is 42052039. The reversal of 42052011 is 11025024.

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

It is a cyclic number.

It is not a de Polignac number, because 42052011 - 2² = 42052007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42052051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7008666 + ... + 7008671.

It is an arithmetic number, because the mean of its divisors is an integer number (14017338).

Almost surely, 2^42052011 is an apocalyptic number.

42052011 is a deficient number, since it is larger than the sum of its proper divisors (14017341).

42052011 is a wasteful number, since it uses less digits than its factorization.

42052011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14017340.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 42052011 is about 6484.7521926439. The cubic root of 42052011 is about 347.7460907148.

Adding to 42052011 its reverse (11025024), we get a palindrome (53077035).

It can be divided in two parts, 4205 and 2011, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 42052011 in words is "forty-two million, fifty-two thousand, eleven".