5618761 has 4 divisors (see below), whose sum is σ = 5632000. Its totient is φ = 5605524.

The previous prime is 5618759. The next prime is 5618777. The reversal of 5618761 is 1678165.

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 an emirpimes, since its reverse is a distinct semiprime: 1678165 = 5 ⋅335633.

It is a cyclic number.

It is not a de Polignac number, because 5618761 - 2¹ = 5618759 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5618461) 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, 5961 + ... + 6838.

It is an arithmetic number, because the mean of its divisors is an integer number (1408000).

Almost surely, 2^5618761 is an apocalyptic number.

It is an amenable number.

5618761 is a deficient number, since it is larger than the sum of its proper divisors (13239).

5618761 is a wasteful number, since it uses less digits than its factorization.

5618761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13238.

The product of its digits is 10080, while the sum is 34.

The square root of 5618761 is about 2370.3925835186. The cubic root of 5618761 is about 177.7788884335.

The spelling of 5618761 in words is "five million, six hundred eighteen thousand, seven hundred sixty-one".