5621071 has 4 divisors (see below), whose sum is σ = 5657032. Its totient is φ = 5585112.

The previous prime is 5621051. The next prime is 5621081. The reversal of 5621071 is 1701265.

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

It is a cyclic number.

It is not a de Polignac number, because 5621071 - 2¹³ = 5612879 is a prime.

It is a Duffinian 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17745 + ... + 18058.

It is an arithmetic number, because the mean of its divisors is an integer number (1414258).

Almost surely, 2^5621071 is an apocalyptic number.

5621071 is a deficient number, since it is larger than the sum of its proper divisors (35961).

5621071 is a wasteful number, since it uses less digits than its factorization.

5621071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35960.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 5621071 is about 2370.8797945067. The cubic root of 5621071 is about 177.8032480723.

The spelling of 5621071 in words is "five million, six hundred twenty-one thousand, seventy-one".