42590033 has 2 divisors, whose sum is σ = 42590034. Its totient is φ = 42590032.

The previous prime is 42590027. The next prime is 42590047. The reversal of 42590033 is 33009524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21641104 + 20948929 = 4652^2 + 4577^2 .

It is a cyclic number.

It is not a de Polignac number, because 42590033 - 2²² = 38395729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42589984 and 42590011.

It is not a weakly prime, because it can be changed into another prime (42590633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21295016 + 21295017.

It is an arithmetic number, because the mean of its divisors is an integer number (21295017).

Almost surely, 2^42590033 is an apocalyptic number.

It is an amenable number.

42590033 is a deficient number, since it is larger than the sum of its proper divisors (1).

42590033 is an equidigital number, since it uses as much as digits as its factorization.

42590033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 42590033 is about 6526.1039679122. The cubic root of 42590033 is about 349.2228552864. Note that the first 3 decimals are identical.

Adding to 42590033 its reverse (33009524), we get a palindrome (75599557).

The spelling of 42590033 in words is "forty-two million, five hundred ninety thousand, thirty-three".