5421573 has 32 divisors (see below), whose sum is σ = 8475520. Its totient is φ = 3464208.

The previous prime is 5421571. The next prime is 5421587. The reversal of 5421573 is 3751245.

It is a happy number.

It is not a de Polignac number, because 5421573 - 2¹ = 5421571 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421571) 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, 80886 + ... + 80952.

It is an arithmetic number, because the mean of its divisors is an integer number (264860).

Almost surely, 2^5421573 is an apocalyptic number.

It is an amenable number.

5421573 is a deficient number, since it is larger than the sum of its proper divisors (3053947).

5421573 is an frugal number, since it uses more digits than its factorization.

5421573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 107 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 5421573 is about 2328.4271515338. The cubic root of 5421573 is about 175.6743828828.

The spelling of 5421573 in words is "five million, four hundred twenty-one thousand, five hundred seventy-three".