42280033 has 4 divisors (see below), whose sum is σ = 42381360. Its totient is φ = 42178708.

The previous prime is 42280031. The next prime is 42280039. The reversal of 42280033 is 33008224.

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 42280033 - 2¹ = 42280031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42279986 and 42280013.

It is not an unprimeable number, because it can be changed into a prime (42280031) 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, 50035 + ... + 50872.

It is an arithmetic number, because the mean of its divisors is an integer number (10595340).

Almost surely, 2^42280033 is an apocalyptic number.

It is an amenable number.

42280033 is a deficient number, since it is larger than the sum of its proper divisors (101327).

42280033 is a wasteful number, since it uses less digits than its factorization.

42280033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101326.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42280033 is about 6502.3098203638. The cubic root of 42280033 is about 348.3734952637.

Adding to 42280033 its reverse (33008224), we get a palindrome (75288257).

The spelling of 42280033 in words is "forty-two million, two hundred eighty thousand, thirty-three".