42251733 has 16 divisors (see below), whose sum is σ = 63207040. Its totient is φ = 27892512.

The previous prime is 42251701. The next prime is 42251767. The reversal of 42251733 is 33715224.

42251733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42251733 - 2⁵ = 42251701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42251697 and 42251706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42251773) 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 15 ways as a sum of consecutive naturals, for example, 4816 + ... + 10377.

It is an arithmetic number, because the mean of its divisors is an integer number (3950440).

Almost surely, 2^42251733 is an apocalyptic number.

It is an amenable number.

42251733 is a deficient number, since it is larger than the sum of its proper divisors (20955307).

42251733 is a wasteful number, since it uses less digits than its factorization.

42251733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15305 (or 15299 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 42251733 is about 6500.1333063253. The cubic root of 42251733 is about 348.2957503668.

Adding to 42251733 its reverse (33715224), we get a palindrome (75966957).

The spelling of 42251733 in words is "forty-two million, two hundred fifty-one thousand, seven hundred thirty-three".