42725033 has 8 divisors (see below), whose sum is σ = 47598600. Its totient is φ = 38078208.

The previous prime is 42725009. The next prime is 42725051. The reversal of 42725033 is 33052724.

It can be written as a sum of positive squares in 4 ways, for example, as 5368489 + 37356544 = 2317^2 + 6112^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42725033 - 2¹⁴ = 42708649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42724993 and 42725011.

It is not an unprimeable number, because it can be changed into a prime (42725083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56288 + ... + 57041.

It is an arithmetic number, because the mean of its divisors is an integer number (5949825).

Almost surely, 2^42725033 is an apocalyptic number.

It is an amenable number.

42725033 is a deficient number, since it is larger than the sum of its proper divisors (4873567).

42725033 is a wasteful number, since it uses less digits than its factorization.

42725033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113371.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 42725033 is about 6536.4388622552. The cubic root of 42725033 is about 349.5914498212.

Adding to 42725033 its reverse (33052724), we get a palindrome (75777757).

The spelling of 42725033 in words is "forty-two million, seven hundred twenty-five thousand, thirty-three".