42253733 has 4 divisors (see below), whose sum is σ = 42848928. Its totient is φ = 41658540.

The previous prime is 42253727. The next prime is 42253753. The reversal of 42253733 is 33735224.

42253733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42253733 - 2⁶ = 42253669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42253696 and 42253705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42253753) 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 3 ways as a sum of consecutive naturals, for example, 297491 + ... + 297632.

It is an arithmetic number, because the mean of its divisors is an integer number (10712232).

Almost surely, 2^42253733 is an apocalyptic number.

It is an amenable number.

42253733 is a deficient number, since it is larger than the sum of its proper divisors (595195).

42253733 is an equidigital number, since it uses as much as digits as its factorization.

42253733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595194.

The product of its digits is 15120, while the sum is 29.

The square root of 42253733 is about 6500.2871475036. The cubic root of 42253733 is about 348.3012458456.

Adding to 42253733 its reverse (33735224), we get a palindrome (75988957).

The spelling of 42253733 in words is "forty-two million, two hundred fifty-three thousand, seven hundred thirty-three".