505050605 has 8 divisors (see below), whose sum is σ = 625611264. Its totient is φ = 391006800.

The previous prime is 505050563. The next prime is 505050607. The reversal of 505050605 is 506050505.

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

It is not a de Polignac number, because 505050605 - 2⁸ = 505050349 is a prime.

It is a super-2 number, since 2×505050605² = 510152227221732050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505050607) 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, 1629041 + ... + 1629350.

It is an arithmetic number, because the mean of its divisors is an integer number (78201408).

Almost surely, 2^505050605 is an apocalyptic number.

It is an amenable number.

505050605 is a deficient number, since it is larger than the sum of its proper divisors (120560659).

505050605 is a wasteful number, since it uses less digits than its factorization.

505050605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258427.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 505050605 is about 22473.3309725105. The cubic root of 505050605 is about 796.3640230630.

It can be divided in two parts, 5050 and 50605, that added together give a palindrome (55655).

The spelling of 505050605 in words is "five hundred five million, fifty thousand, six hundred five".