42546433 has 4 divisors (see below), whose sum is σ = 42594048. Its totient is φ = 42498820.

The previous prime is 42546419. The next prime is 42546443. The reversal of 42546433 is 33464524.

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 42546433 - 2⁵ = 42546401 is a prime.

It is a super-2 number, since 2×42546433² = 3620397922046978, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42546395 and 42546404.

It is not an unprimeable number, because it can be changed into a prime (42546443) 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, 22441 + ... + 24262.

It is an arithmetic number, because the mean of its divisors is an integer number (10648512).

Almost surely, 2^42546433 is an apocalyptic number.

It is an amenable number.

42546433 is a deficient number, since it is larger than the sum of its proper divisors (47615).

42546433 is an equidigital number, since it uses as much as digits as its factorization.

42546433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47614.

The product of its digits is 34560, while the sum is 31.

The square root of 42546433 is about 6522.7626815637. The cubic root of 42546433 is about 349.1036465256.

The spelling of 42546433 in words is "forty-two million, five hundred forty-six thousand, four hundred thirty-three".