505415 has 8 divisors (see below), whose sum is σ = 610368. Its totient is φ = 401760.

The previous prime is 505411. The next prime is 505429. The reversal of 505415 is 514505.

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

It is not a de Polignac number, because 505415 - 2² = 505411 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 (505411) 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, 1169 + ... + 1541.

It is an arithmetic number, because the mean of its divisors is an integer number (76296).

2⁵⁰⁵⁴¹⁵ is an apocalyptic number.

505415 is a deficient number, since it is larger than the sum of its proper divisors (104953).

505415 is a wasteful number, since it uses less digits than its factorization.

505415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 505415 is about 710.9254531946. The cubic root of 505415 is about 79.6555503086.

The spelling of 505415 in words is "five hundred five thousand, four hundred fifteen".