5621373 has 32 divisors (see below), whose sum is σ = 9083520. Its totient is φ = 3421440.

The previous prime is 5621327. The next prime is 5621383. The reversal of 5621373 is 3731265.

It is a happy number.

5621373 is a `hidden beast` number, since 5 + 621 + 37 + 3 = 666.

It is not a de Polignac number, because 5621373 - 2⁶ = 5621309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16818 + ... + 17148.

It is an arithmetic number, because the mean of its divisors is an integer number (283860).

Almost surely, 2^5621373 is an apocalyptic number.

It is an amenable number.

5621373 is a deficient number, since it is larger than the sum of its proper divisors (3462147).

5621373 is a wasteful number, since it uses less digits than its factorization.

5621373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 388 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 5621373 is about 2370.9434830885. The cubic root of 5621373 is about 177.8064322591.

The spelling of 5621373 in words is "five million, six hundred twenty-one thousand, three hundred seventy-three".