5117661 has 40 divisors (see below), whose sum is σ = 8293824. Its totient is φ = 3136320.

The previous prime is 5117653. The next prime is 5117687. The reversal of 5117661 is 1667115.

It is not a de Polignac number, because 5117661 - 2³ = 5117653 is a prime.

It is a super-2 number, since 2×5117661² = 52380908221842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5117611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 76350 + ... + 76416.

Almost surely, 2^5117661 is an apocalyptic number.

It is an amenable number.

5117661 is a deficient number, since it is larger than the sum of its proper divisors (3176163).

5117661 is a wasteful number, since it uses less digits than its factorization.

5117661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 134 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 5117661 is about 2262.2247898916. The cubic root of 5117661 is about 172.3285252531.

It can be divided in two parts, 5117 and 661, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 5117661 in words is "five million, one hundred seventeen thousand, six hundred sixty-one".