517047 has 16 divisors (see below), whose sum is σ = 744960. Its totient is φ = 317952.

The previous prime is 517043. The next prime is 517061. The reversal of 517047 is 740715.

It is not a de Polignac number, because 517047 - 2² = 517043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2583 + ... + 2775.

It is an arithmetic number, because the mean of its divisors is an integer number (46560).

2⁵¹⁷⁰⁴⁷ is an apocalyptic number.

517047 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

517047 is a deficient number, since it is larger than the sum of its proper divisors (227913).

517047 is a wasteful number, since it uses less digits than its factorization.

517047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 517047 is about 719.0598027981. The cubic root of 517047 is about 80.2620055601.

The spelling of 517047 in words is "five hundred seventeen thousand, forty-seven".