403242353 has 2 divisors, whose sum is σ = 403242354. Its totient is φ = 403242352.

The previous prime is 403242349. The next prime is 403242373. The reversal of 403242353 is 353242304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389351824 + 13890529 = 19732^2 + 3727^2 .

It is a cyclic number.

It is not a de Polignac number, because 403242353 - 2² = 403242349 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (403242313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201621176 + 201621177.

It is an arithmetic number, because the mean of its divisors is an integer number (201621177).

Almost surely, 2^403242353 is an apocalyptic number.

It is an amenable number.

403242353 is a deficient number, since it is larger than the sum of its proper divisors (1).

403242353 is an equidigital number, since it uses as much as digits as its factorization.

403242353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 403242353 is about 20080.8952240681. The cubic root of 403242353 is about 738.7917664628.

Adding to 403242353 its reverse (353242304), we get a palindrome (756484657).

The spelling of 403242353 in words is "four hundred three million, two hundred forty-two thousand, three hundred fifty-three".