42236051 has 8 divisors (see below), whose sum is σ = 49620144. Its totient is φ = 35442720.

The previous prime is 42236039. The next prime is 42236053. The reversal of 42236051 is 15063224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42236051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42236053) 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 7 ways as a sum of consecutive naturals, for example, 147536 + ... + 147821.

It is an arithmetic number, because the mean of its divisors is an integer number (6202518).

Almost surely, 2^42236051 is an apocalyptic number.

42236051 is a deficient number, since it is larger than the sum of its proper divisors (7384093).

42236051 is a wasteful number, since it uses less digits than its factorization.

42236051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295381.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 42236051 is about 6498.9269114216. The cubic root of 42236051 is about 348.2526543053.

Adding to 42236051 its reverse (15063224), we get a palindrome (57299275).

The spelling of 42236051 in words is "forty-two million, two hundred thirty-six thousand, fifty-one".