5661051 has 16 divisors (see below), whose sum is σ = 8719488. Its totient is φ = 3228800.

The previous prime is 5661041. The next prime is 5661067. The reversal of 5661051 is 1501665.

It is a cyclic number.

It is not a de Polignac number, because 5661051 - 2⁶ = 5660987 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5661001) 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 15 ways as a sum of consecutive naturals, for example, 4485 + ... + 5606.

It is an arithmetic number, because the mean of its divisors is an integer number (544968).

Almost surely, 2^5661051 is an apocalyptic number.

5661051 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5661051 is a deficient number, since it is larger than the sum of its proper divisors (3058437).

5661051 is a wasteful number, since it uses less digits than its factorization.

5661051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 5661051 is about 2379.2963245464. The cubic root of 5661051 is about 178.2237958551.

The spelling of 5661051 in words is "five million, six hundred sixty-one thousand, fifty-one".