42625433 has 4 divisors (see below), whose sum is σ = 42697908. Its totient is φ = 42552960.

The previous prime is 42625421. The next prime is 42625459. The reversal of 42625433 is 33452624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9078169 + 33547264 = 3013^2 + 5792^2 .

It is a cyclic number.

It is not a de Polignac number, because 42625433 - 2¹⁰ = 42624409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42625396 and 42625405.

It is not an unprimeable number, because it can be changed into a prime (42627433) 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, 35348 + ... + 36533.

It is an arithmetic number, because the mean of its divisors is an integer number (10674477).

Almost surely, 2^42625433 is an apocalyptic number.

It is an amenable number.

42625433 is a deficient number, since it is larger than the sum of its proper divisors (72475).

42625433 is an equidigital number, since it uses as much as digits as its factorization.

42625433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72474.

The product of its digits is 17280, while the sum is 29.

The square root of 42625433 is about 6528.8155893699. The cubic root of 42625433 is about 349.3195842207.

The spelling of 42625433 in words is "forty-two million, six hundred twenty-five thousand, four hundred thirty-three".