505212301061 has 8 divisors (see below), whose sum is σ = 544208423640. Its totient is φ = 466235269632.

The previous prime is 505212301043. The next prime is 505212301117. The reversal of 505212301061 is 160103212505.

It can be written as a sum of positive squares in 4 ways, for example, as 268468225 + 504943832836 = 16385^2 + 710594^2 .

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 505212301061 - 2¹⁸ = 505212038917 is a prime.

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 505212301061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505212301001) 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, 4717796 + ... + 4823693.

It is an arithmetic number, because the mean of its divisors is an integer number (68026052955).

Almost surely, 2^505212301061 is an apocalyptic number.

It is an amenable number.

505212301061 is a deficient number, since it is larger than the sum of its proper divisors (38996122579).

505212301061 is a wasteful number, since it uses less digits than its factorization.

505212301061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545575.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 505212301061 its reverse (160103212505), we get a palindrome (665315513566).

The spelling of 505212301061 in words is "five hundred five billion, two hundred twelve million, three hundred one thousand, sixty-one".