42051333 has 16 divisors (see below), whose sum is σ = 56770560. Its totient is φ = 27686064.

The previous prime is 42051329. The next prime is 42051349. The reversal of 42051333 is 33315024.

It is not a de Polignac number, because 42051333 - 2² = 42051329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159760 + ... + 160022.

It is an arithmetic number, because the mean of its divisors is an integer number (3548160).

Almost surely, 2^42051333 is an apocalyptic number.

It is an amenable number.

42051333 is a deficient number, since it is larger than the sum of its proper divisors (14719227).

42051333 is a wasteful number, since it uses less digits than its factorization.

42051333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 42051333 is about 6484.6999159560. The cubic root of 42051333 is about 347.7442218139.

Adding to 42051333 its reverse (33315024), we get a palindrome (75366357).

The spelling of 42051333 in words is "forty-two million, fifty-one thousand, three hundred thirty-three".