5661061 has 16 divisors (see below), whose sum is σ = 6796800. Its totient is φ = 4612608.

The previous prime is 5661041. The next prime is 5661067. The reversal of 5661061 is 1601665.

It is not a de Polignac number, because 5661061 - 2⁷ = 5660933 is a prime.

It is a super-2 number, since 2×5661061² = 64095223291442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15861 + ... + 16213.

It is an arithmetic number, because the mean of its divisors is an integer number (424800).

Almost surely, 2^5661061 is an apocalyptic number.

It is an amenable number.

5661061 is a deficient number, since it is larger than the sum of its proper divisors (1135739).

5661061 is a wasteful number, since it uses less digits than its factorization.

5661061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 5661061 is about 2379.2984260071. The cubic root of 5661061 is about 178.2239007966.

The spelling of 5661061 in words is "five million, six hundred sixty-one thousand, sixty-one".