505303045 has 8 divisors (see below), whose sum is σ = 653007096. Its totient is φ = 373146816.

The previous prime is 505303021. The next prime is 505303061. The reversal of 505303045 is 540303505.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12152196 + 493150849 = 3486^2 + 22207^2 .

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 505303045 - 2¹¹ = 505300997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3886882 + ... + 3887011.

It is an arithmetic number, because the mean of its divisors is an integer number (81625887).

Almost surely, 2^505303045 is an apocalyptic number.

It is an amenable number.

505303045 is a deficient number, since it is larger than the sum of its proper divisors (147704051).

505303045 is a wasteful number, since it uses less digits than its factorization.

505303045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7773911.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 505303045 is about 22478.9467057511. The cubic root of 505303045 is about 796.4966834650.

The spelling of 505303045 in words is "five hundred five million, three hundred three thousand, forty-five".