42905333 has 4 divisors (see below), whose sum is σ = 44289408. Its totient is φ = 41521260.

The previous prime is 42905323. The next prime is 42905339. The reversal of 42905333 is 33350924.

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 a cyclic number.

It is not a de Polignac number, because 42905333 - 2¹⁸ = 42643189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42905296 and 42905305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42905339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691991 + ... + 692052.

It is an arithmetic number, because the mean of its divisors is an integer number (11072352).

Almost surely, 2^42905333 is an apocalyptic number.

It is an amenable number.

42905333 is a deficient number, since it is larger than the sum of its proper divisors (1384075).

42905333 is a wasteful number, since it uses less digits than its factorization.

42905333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384074.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 42905333 is about 6550.2162559720. The cubic root of 42905333 is about 350.0825193184.

The spelling of 42905333 in words is "forty-two million, nine hundred five thousand, three hundred thirty-three".