5621941 has 4 divisors (see below), whose sum is σ = 6054412. Its totient is φ = 5189472.

The previous prime is 5621939. The next prime is 5621953. The reversal of 5621941 is 1491265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 715716 + 4906225 = 846^2 + 2215^2 .

It is a cyclic number.

It is not a de Polignac number, because 5621941 - 2¹ = 5621939 is a prime.

It is an Ulam number.

5621941 is a lucky number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621921) 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, 216216 + ... + 216241.

It is an arithmetic number, because the mean of its divisors is an integer number (1513603).

Almost surely, 2^5621941 is an apocalyptic number.

It is an amenable number.

5621941 is a deficient number, since it is larger than the sum of its proper divisors (432471).

5621941 is a wasteful number, since it uses less digits than its factorization.

5621941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432470.

The product of its digits is 2160, while the sum is 28.

The square root of 5621941 is about 2371.0632636014. The cubic root of 5621941 is about 177.8124207517.

The spelling of 5621941 in words is "five million, six hundred twenty-one thousand, nine hundred forty-one".