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5171111 = 111727653

5171111 has 8 divisors (see below), whose sum is σ = 5973264. Its totient is φ = 4424320.

The previous prime is 5171093. The next prime is 5171119. The reversal of 5171111 is 1111715.

Subtracting from 5171111 its product of digits (35), we obtain a square (5171076 = 22742).

Adding to 5171111 its reverse (1111715), we get a palindrome (6282826).

It is a happy number.

5171111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5171111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

5171111 is a modest number, since divided by 1111 gives 517 as remainder.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 5171111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171119) 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, 13640 + ... + 14013.

It is an arithmetic number, because the mean of its divisors is an integer number (746658).

Almost surely, 25171111 is an apocalyptic number.

5171111 is a deficient number, since it is larger than the sum of its proper divisors (802153).

5171111 is a wasteful number, since it uses less digits than its factorization.

5171111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27681.

The product of its digits is 35, while the sum is 17.

The square root of 5171111 is about 2274.0076956774. The cubic root of 5171111 is about 172.9263945625.

The spelling of 5171111 in words is "five million, one hundred seventy-one thousand, one hundred eleven".

Divisors: 1 11 17 187 27653 304183 470101 5171111