506425505 has 8 divisors (see below), whose sum is σ = 607849512. Its totient is φ = 405047808.

The previous prime is 506425501. The next prime is 506425519. The reversal of 506425505 is 505524605.

It can be written as a sum of positive squares in 4 ways, for example, as 46022656 + 460402849 = 6784^2 + 21457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 506425505 - 2² = 506425501 is a prime.

It is a super-2 number, since 2×506425505² = 512933584229010050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506425501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20639 + ... + 37931.

It is an arithmetic number, because the mean of its divisors is an integer number (75981189).

Almost surely, 2^506425505 is an apocalyptic number.

It is an amenable number.

506425505 is a deficient number, since it is larger than the sum of its proper divisors (101424007).

506425505 is a wasteful number, since it uses less digits than its factorization.

506425505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23155.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 506425505 is about 22503.8997731504. The cubic root of 506425505 is about 797.0860159459.

The spelling of 506425505 in words is "five hundred six million, four hundred twenty-five thousand, five hundred five".