1056517 has 8 divisors (see below), whose sum is σ = 1317312. Its totient is φ = 823200.

The previous prime is 1056509. The next prime is 1056521. The reversal of 1056517 is 7156501.

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

It is not a de Polignac number, because 1056517 - 2³ = 1056509 is a prime.

It is a super-2 number, since 2×1056517² = 2232456342578, which contains 22 as substring.

It is a Duffinian number.

1056517 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1056491 and 1056500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056577) 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, 6784 + ... + 6937.

It is an arithmetic number, because the mean of its divisors is an integer number (164664).

2^1056517 is an apocalyptic number.

It is an amenable number.

1056517 is a deficient number, since it is larger than the sum of its proper divisors (260795).

1056517 is a wasteful number, since it uses less digits than its factorization.

1056517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13739.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 1056517 is about 1027.8701279831. The cubic root of 1056517 is about 101.8494832401.

The spelling of 1056517 in words is "one million, fifty-six thousand, five hundred seventeen".