5454021 has 12 divisors (see below), whose sum is σ = 7439072. Its totient is φ = 3554328.

The previous prime is 5454017. The next prime is 5454041. The reversal of 5454021 is 1204545.

It is not a de Polignac number, because 5454021 - 2² = 5454017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5454011) 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 11 ways as a sum of consecutive naturals, for example, 6216 + ... + 7038.

Almost surely, 2^5454021 is an apocalyptic number.

It is an amenable number.

5454021 is a deficient number, since it is larger than the sum of its proper divisors (1985051).

5454021 is an equidigital number, since it uses as much as digits as its factorization.

5454021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 5454021 is about 2335.3845507753. The cubic root of 5454021 is about 176.0241551730.

Adding to 5454021 its reverse (1204545), we get a palindrome (6658566).

The spelling of 5454021 in words is "five million, four hundred fifty-four thousand, twenty-one".