506427407 has 4 divisors (see below), whose sum is σ = 511073640. Its totient is φ = 501781176.

The previous prime is 506427391. The next prime is 506427419. The reversal of 506427407 is 704724605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506427407 - 2⁴ = 506427391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506427497) 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 in 3 ways as a sum of consecutive naturals, for example, 2322953 + ... + 2323170.

It is an arithmetic number, because the mean of its divisors is an integer number (127768410).

Almost surely, 2^506427407 is an apocalyptic number.

506427407 is a deficient number, since it is larger than the sum of its proper divisors (4646233).

506427407 is a wasteful number, since it uses less digits than its factorization.

506427407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646232.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 506427407 is about 22503.9420324529. The cubic root of 506427407 is about 797.0870138260.

The spelling of 506427407 in words is "five hundred six million, four hundred twenty-seven thousand, four hundred seven".