403741243 has 2 divisors, whose sum is σ = 403741244. Its totient is φ = 403741242.

The previous prime is 403741237. The next prime is 403741297. The reversal of 403741243 is 342147304.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403741243 is a prime.

It is not a weakly prime, because it can be changed into another prime (403741213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201870621 + 201870622.

It is an arithmetic number, because the mean of its divisors is an integer number (201870622).

Almost surely, 2^403741243 is an apocalyptic number.

403741243 is a deficient number, since it is larger than the sum of its proper divisors (1).

403741243 is an equidigital number, since it uses as much as digits as its factorization.

403741243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 403741243 is about 20093.3133902799. The cubic root of 403741243 is about 739.0963177463.

Adding to 403741243 its reverse (342147304), we get a palindrome (745888547).

The spelling of 403741243 in words is "four hundred three million, seven hundred forty-one thousand, two hundred forty-three".