506489701 has 4 divisors (see below), whose sum is σ = 506664172. Its totient is φ = 506315232.

The previous prime is 506489681. The next prime is 506489717. The reversal of 506489701 is 107984605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 107984605 = 5 ⋅21596921.

It can be written as a sum of positive squares in 2 ways, for example, as 475676100 + 30813601 = 21810^2 + 5551^2 .

It is a cyclic number.

It is not a de Polignac number, because 506489701 - 2¹³ = 506481509 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 (506489741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82806 + ... + 88711.

It is an arithmetic number, because the mean of its divisors is an integer number (126666043).

Almost surely, 2^506489701 is an apocalyptic number.

It is an amenable number.

506489701 is a deficient number, since it is larger than the sum of its proper divisors (174471).

506489701 is a wasteful number, since it uses less digits than its factorization.

506489701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174470.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 506489701 is about 22505.3260585133. The cubic root of 506489701 is about 797.1196948525.

The spelling of 506489701 in words is "five hundred six million, four hundred eighty-nine thousand, seven hundred one".