5751661 has 8 divisors (see below), whose sum is σ = 6410880. Its totient is φ = 5128128.

The previous prime is 5751659. The next prime is 5751673. The reversal of 5751661 is 1661575.

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

It is a cyclic number.

It is not a de Polignac number, because 5751661 - 2¹ = 5751659 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5751611) 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, 8581 + ... + 9226.

It is an arithmetic number, because the mean of its divisors is an integer number (801360).

Almost surely, 2^5751661 is an apocalyptic number.

It is an amenable number.

5751661 is a deficient number, since it is larger than the sum of its proper divisors (659219).

5751661 is a wasteful number, since it uses less digits than its factorization.

5751661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17843.

The product of its digits is 6300, while the sum is 31.

The square root of 5751661 is about 2398.2620790898. The cubic root of 5751661 is about 179.1696424480.

The spelling of 5751661 in words is "five million, seven hundred fifty-one thousand, six hundred sixty-one".