5621061 has 4 divisors (see below), whose sum is σ = 7494752. Its totient is φ = 3747372.

The previous prime is 5621051. The next prime is 5621081. The reversal of 5621061 is 1601265.

It is a happy number.

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.

It is not a de Polignac number, because 5621061 - 2⁵ = 5621029 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

5621061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936841 + ... + 936846.

It is an arithmetic number, because the mean of its divisors is an integer number (1873688).

Almost surely, 2^5621061 is an apocalyptic number.

It is an amenable number.

5621061 is a deficient number, since it is larger than the sum of its proper divisors (1873691).

5621061 is a wasteful number, since it uses less digits than its factorization.

5621061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873690.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 5621061 is about 2370.8776855840. The cubic root of 5621061 is about 177.8031426337.

The spelling of 5621061 in words is "five million, six hundred twenty-one thousand, sixty-one".