42030433 has 4 divisors (see below), whose sum is σ = 42351408. Its totient is φ = 41709460.

The previous prime is 42030421. The next prime is 42030437. The reversal of 42030433 is 33403024.

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 42030433 - 2¹³ = 42022241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42030433.

It is not an unprimeable number, because it can be changed into a prime (42030437) 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, 160291 + ... + 160552.

It is an arithmetic number, because the mean of its divisors is an integer number (10587852).

Almost surely, 2^42030433 is an apocalyptic number.

It is an amenable number.

42030433 is a deficient number, since it is larger than the sum of its proper divisors (320975).

42030433 is a wasteful number, since it uses less digits than its factorization.

42030433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320974.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 42030433 is about 6483.0882301570. The cubic root of 42030433 is about 347.6866012970.

Adding to 42030433 its reverse (33403024), we get a palindrome (75433457).

The spelling of 42030433 in words is "forty-two million, thirty thousand, four hundred thirty-three".