408242033 has 2 divisors, whose sum is σ = 408242034. Its totient is φ = 408242032.

The previous prime is 408242017. The next prime is 408242083. The reversal of 408242033 is 330242804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389983504 + 18258529 = 19748^2 + 4273^2 .

It is a cyclic number.

It is not a de Polignac number, because 408242033 - 2⁴ = 408242017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 408241993 and 408242011.

It is not a weakly prime, because it can be changed into another prime (408242083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204121016 + 204121017.

It is an arithmetic number, because the mean of its divisors is an integer number (204121017).

Almost surely, 2^408242033 is an apocalyptic number.

It is an amenable number.

408242033 is a deficient number, since it is larger than the sum of its proper divisors (1).

408242033 is an equidigital number, since it uses as much as digits as its factorization.

408242033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 408242033 is about 20205.0001979708. Note that the first 3 decimals coincide. The cubic root of 408242033 is about 741.8325853822.

Adding to 408242033 its reverse (330242804), we get a palindrome (738484837).

The spelling of 408242033 in words is "four hundred eight million, two hundred forty-two thousand, thirty-three".