505542341 has 4 divisors (see below), whose sum is σ = 517872684. Its totient is φ = 493212000.

The previous prime is 505542313. The next prime is 505542343. The reversal of 505542341 is 143245505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 293985316 + 211557025 = 17146^2 + 14545^2 .

It is a cyclic number.

It is not a de Polignac number, because 505542341 - 2¹⁰ = 505541317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505542343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6165110 + ... + 6165191.

It is an arithmetic number, because the mean of its divisors is an integer number (129468171).

Almost surely, 2^505542341 is an apocalyptic number.

It is an amenable number.

505542341 is a deficient number, since it is larger than the sum of its proper divisors (12330343).

505542341 is a wasteful number, since it uses less digits than its factorization.

505542341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12330342.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 505542341 is about 22484.2687450582. The cubic root of 505542341 is about 796.6223957433.

Adding to 505542341 its reverse (143245505), we get a palindrome (648787846).

The spelling of 505542341 in words is "five hundred five million, five hundred forty-two thousand, three hundred forty-one".