506421607 has 2 divisors, whose sum is σ = 506421608. Its totient is φ = 506421606.

The previous prime is 506421599. The next prime is 506421661. The reversal of 506421607 is 706124605.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506421607 - 2³ = 506421599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506421667) 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, 253210803 + 253210804.

It is an arithmetic number, because the mean of its divisors is an integer number (253210804).

Almost surely, 2^506421607 is an apocalyptic number.

506421607 is a deficient number, since it is larger than the sum of its proper divisors (1).

506421607 is an equidigital number, since it uses as much as digits as its factorization.

506421607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 506421607 is about 22503.8131657726. The cubic root of 506421607 is about 797.0839708611.

The spelling of 506421607 in words is "five hundred six million, four hundred twenty-one thousand, six hundred seven".