42280533 has 12 divisors (see below), whose sum is σ = 61128288. Its totient is φ = 28161000.

The previous prime is 42280523. The next prime is 42280541. The reversal of 42280533 is 33508224.

It is not a de Polignac number, because 42280533 - 2⁴ = 42280517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42280497 and 42280506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42280523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17658 + ... + 19908.

It is an arithmetic number, because the mean of its divisors is an integer number (5094024).

Almost surely, 2^42280533 is an apocalyptic number.

It is an amenable number.

42280533 is a deficient number, since it is larger than the sum of its proper divisors (18847755).

42280533 is a wasteful number, since it uses less digits than its factorization.

42280533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344 (or 4341 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 42280533 is about 6502.3482681259. The cubic root of 42280533 is about 348.3748685365.

Adding to 42280533 its reverse (33508224), we get a palindrome (75788757).

The spelling of 42280533 in words is "forty-two million, two hundred eighty thousand, five hundred thirty-three".