505650601 has 4 divisors (see below), whose sum is σ = 535394772. Its totient is φ = 475906432.

The previous prime is 505650599. The next prime is 505650611. The reversal of 505650601 is 106056505.

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

It can be written as a sum of positive squares in 2 ways, for example, as 454542400 + 51108201 = 21320^2 + 7149^2 .

It is not a de Polignac number, because 505650601 - 2¹ = 505650599 is a prime.

It is a super-2 number, since 2×505650601² = 511365060583322402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505650601.

It is not an unprimeable number, because it can be changed into a prime (505650611) 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, 14872060 + ... + 14872093.

It is an arithmetic number, because the mean of its divisors is an integer number (133848693).

Almost surely, 2^505650601 is an apocalyptic number.

It is an amenable number.

505650601 is a deficient number, since it is larger than the sum of its proper divisors (29744171).

505650601 is a wasteful number, since it uses less digits than its factorization.

505650601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29744170.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 505650601 is about 22486.6760771796. The cubic root of 505650601 is about 796.6792562528.

The spelling of 505650601 in words is "five hundred five million, six hundred fifty thousand, six hundred one".