505441339 has 4 divisors (see below), whose sum is σ = 544321456. Its totient is φ = 466561224.

The previous prime is 505441309. The next prime is 505441351. The reversal of 505441339 is 933144505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505441339 is a prime.

It is a super-2 number, since 2×505441339² = 510941894340225842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505441309) 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, 19440039 + ... + 19440064.

It is an arithmetic number, because the mean of its divisors is an integer number (136080364).

Almost surely, 2^505441339 is an apocalyptic number.

505441339 is a deficient number, since it is larger than the sum of its proper divisors (38880117).

505441339 is a wasteful number, since it uses less digits than its factorization.

505441339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38880116.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 505441339 is about 22482.0225736031. The cubic root of 505441339 is about 796.5693399735.

The spelling of 505441339 in words is "five hundred five million, four hundred forty-one thousand, three hundred thirty-nine".