395241403 has 2 divisors, whose sum is σ = 395241404. Its totient is φ = 395241402.

The previous prime is 395241389. The next prime is 395241461. The reversal of 395241403 is 304142593.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395241403 is a prime.

It is not a weakly prime, because it can be changed into another prime (395241463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197620701 + 197620702.

It is an arithmetic number, because the mean of its divisors is an integer number (197620702).

Almost surely, 2^395241403 is an apocalyptic number.

395241403 is a deficient number, since it is larger than the sum of its proper divisors (1).

395241403 is an equidigital number, since it uses as much as digits as its factorization.

395241403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 395241403 is about 19880.6791382991. The cubic root of 395241403 is about 733.8728325948.

Adding to 395241403 its reverse (304142593), we get a palindrome (699383996).

The spelling of 395241403 in words is "three hundred ninety-five million, two hundred forty-one thousand, four hundred three".