505124441 has 2 divisors, whose sum is σ = 505124442. Its totient is φ = 505124440.

The previous prime is 505124419. The next prime is 505124461. The reversal of 505124441 is 144421505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 502656400 + 2468041 = 22420^2 + 1571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505124441 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505124441.

It is not a weakly prime, because it can be changed into another prime (505124461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252562220 + 252562221.

It is an arithmetic number, because the mean of its divisors is an integer number (252562221).

Almost surely, 2^505124441 is an apocalyptic number.

It is an amenable number.

505124441 is a deficient number, since it is larger than the sum of its proper divisors (1).

505124441 is an equidigital number, since it uses as much as digits as its factorization.

505124441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 505124441 is about 22474.9736596064. The cubic root of 505124441 is about 796.4028293847.

Adding to 505124441 its reverse (144421505), we get a palindrome (649545946).

It can be divided in two parts, 5051 and 24441, that added together give a palindrome (29492).

The spelling of 505124441 in words is "five hundred five million, one hundred twenty-four thousand, four hundred forty-one".