42011351 has 4 divisors (see below), whose sum is σ = 42804072. Its totient is φ = 41218632.

The previous prime is 42011341. The next prime is 42011353. The reversal of 42011351 is 15311024.

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 42011351 - 2⁶ = 42011287 is a prime.

It is a super-2 number, since 2×42011351² = 3529907225690402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42011353) by changing a digit.

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, 396281 + ... + 396386.

It is an arithmetic number, because the mean of its divisors is an integer number (10701018).

Almost surely, 2^42011351 is an apocalyptic number.

42011351 is a deficient number, since it is larger than the sum of its proper divisors (792721).

42011351 is an equidigital number, since it uses as much as digits as its factorization.

42011351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792720.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 42011351 is about 6481.6163879082. The cubic root of 42011351 is about 347.6339762541.

Adding to 42011351 its reverse (15311024), we get a palindrome (57322375).

The spelling of 42011351 in words is "forty-two million, eleven thousand, three hundred fifty-one".