606404431 has 2 divisors, whose sum is σ = 606404432. Its totient is φ = 606404430.

The previous prime is 606404411. The next prime is 606404479. The reversal of 606404431 is 134404606.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 606404431 - 2¹⁵ = 606371663 is a prime.

It is a super-2 number, since 2×606404431² = 735452667872867522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 606404431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606404401) 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, 303202215 + 303202216.

It is an arithmetic number, because the mean of its divisors is an integer number (303202216).

Almost surely, 2^606404431 is an apocalyptic number.

606404431 is a deficient number, since it is larger than the sum of its proper divisors (1).

606404431 is an equidigital number, since it uses as much as digits as its factorization.

606404431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 606404431 is about 24625.2803232775. The cubic root of 606404431 is about 846.4229986966.

The spelling of 606404431 in words is "six hundred six million, four hundred four thousand, four hundred thirty-one".