505250445 has 16 divisors (see below), whose sum is σ = 923886720. Its totient is φ = 230971584.

The previous prime is 505250443. The next prime is 505250467. The reversal of 505250445 is 544052505.

It is not a de Polignac number, because 505250445 - 2¹ = 505250443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505250443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2405850 + ... + 2406059.

It is an arithmetic number, because the mean of its divisors is an integer number (57742920).

Almost surely, 2^505250445 is an apocalyptic number.

It is an amenable number.

505250445 is a deficient number, since it is larger than the sum of its proper divisors (418636275).

505250445 is a wasteful number, since it uses less digits than its factorization.

505250445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811924.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 505250445 is about 22477.7766916570. The cubic root of 505250445 is about 796.4690451466.

The spelling of 505250445 in words is "five hundred five million, two hundred fifty thousand, four hundred forty-five".