5017661 has 4 divisors (see below), whose sum is σ = 5473824. Its totient is φ = 4561500.

The previous prime is 5017637. The next prime is 5017679. The reversal of 5017661 is 1667105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5017661 - 2¹⁴ = 5001277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5017661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5017361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228065 + ... + 228086.

It is an arithmetic number, because the mean of its divisors is an integer number (1368456).

Almost surely, 2^5017661 is an apocalyptic number.

It is an amenable number.

5017661 is a deficient number, since it is larger than the sum of its proper divisors (456163).

5017661 is a wasteful number, since it uses less digits than its factorization.

5017661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456162.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 5017661 is about 2240.0136160300. The cubic root of 5017661 is about 171.1986906507.

The spelling of 5017661 in words is "five million, seventeen thousand, six hundred sixty-one".