505719 has 12 divisors (see below), whose sum is σ = 740376. Its totient is φ = 332592.

The previous prime is 505711. The next prime is 505727. The reversal of 505719 is 917505.

It is an interprime number because it is at equal distance from previous prime (505711) and next prime (505727).

It is not a de Polignac number, because 505719 - 2³ = 505711 is a prime.

It is a super-2 number, since 2×505719² = 511503413922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505692 and 505701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409 + ... + 1085.

It is an arithmetic number, because the mean of its divisors is an integer number (61698).

2⁵⁰⁵⁷¹⁹ is an apocalyptic number.

505719 is a deficient number, since it is larger than the sum of its proper divisors (234657).

505719 is a wasteful number, since it uses less digits than its factorization.

505719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 505719 is about 711.1392268747. The cubic root of 505719 is about 79.6715176713.

The spelling of 505719 in words is "five hundred five thousand, seven hundred nineteen".