5049661 has 4 divisors (see below), whose sum is σ = 5054400. Its totient is φ = 5044924.

The previous prime is 5049659. The next prime is 5049677. The reversal of 5049661 is 1669405.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5049661 - 2¹ = 5049659 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

5049661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5049061) 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, 60 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (1263600).

Almost surely, 2^5049661 is an apocalyptic number.

It is an amenable number.

5049661 is a deficient number, since it is larger than the sum of its proper divisors (4739).

5049661 is a wasteful number, since it uses less digits than its factorization.

5049661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 5049661 is about 2247.1450776485. The cubic root of 5049661 is about 171.5618580815.

The spelling of 5049661 in words is "five million, forty-nine thousand, six hundred sixty-one".