505544363 has 2 divisors, whose sum is σ = 505544364. Its totient is φ = 505544362.

The previous prime is 505544341. The next prime is 505544383. The reversal of 505544363 is 363445505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505544363 - 2⁸ = 505544107 is a prime.

It is a super-2 number, since 2×505544363² = 511150205922151538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505544323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252772181 + 252772182.

It is an arithmetic number, because the mean of its divisors is an integer number (252772182).

Almost surely, 2^505544363 is an apocalyptic number.

505544363 is a deficient number, since it is larger than the sum of its proper divisors (1).

505544363 is an equidigital number, since it uses as much as digits as its factorization.

505544363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 505544363 is about 22484.3137097844. The cubic root of 505544363 is about 796.6234578161.

Adding to 505544363 its reverse (363445505), we get a palindrome (868989868).

The spelling of 505544363 in words is "five hundred five million, five hundred forty-four thousand, three hundred sixty-three".