505715 has 8 divisors (see below), whose sum is σ = 693600. Its totient is φ = 346752.

The previous prime is 505711. The next prime is 505727. The reversal of 505715 is 517505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505715 - 2² = 505711 is a prime.

It is a super-2 number, since 2×505715² = 511495322450, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 7190 + ... + 7259.

It is an arithmetic number, because the mean of its divisors is an integer number (86700).

2⁵⁰⁵⁷¹⁵ is an apocalyptic number.

505715 is a deficient number, since it is larger than the sum of its proper divisors (187885).

505715 is a wasteful number, since it uses less digits than its factorization.

505715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14461.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 505715 is about 711.1364144804. The cubic root of 505715 is about 79.6713076160.

It can be divided in two parts, 5057 and 15, that multiplied together give a triangular number (75855 = T₃₈₉).

The spelling of 505715 in words is "five hundred five thousand, seven hundred fifteen".