406303351 has 2 divisors, whose sum is σ = 406303352. Its totient is φ = 406303350.

The previous prime is 406303307. The next prime is 406303361. The reversal of 406303351 is 153303604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406303351 - 2⁷ = 406303223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406303361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203151675 + 203151676.

It is an arithmetic number, because the mean of its divisors is an integer number (203151676).

Almost surely, 2^406303351 is an apocalyptic number.

406303351 is a deficient number, since it is larger than the sum of its proper divisors (1).

406303351 is an equidigital number, since it uses as much as digits as its factorization.

406303351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 406303351 is about 20156.9678027227. The cubic root of 406303351 is about 740.6564366320.

Adding to 406303351 its reverse (153303604), we get a palindrome (559606955).

The spelling of 406303351 in words is "four hundred six million, three hundred three thousand, three hundred fifty-one".