5453281 has 2 divisors, whose sum is σ = 5453282. Its totient is φ = 5453280.

The previous prime is 5453257. The next prime is 5453309. The reversal of 5453281 is 1823545.

It is an a-pointer prime, because the next prime (5453309) can be obtained adding 5453281 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3671056 + 1782225 = 1916^2 + 1335^2 .

It is a cyclic number.

It is not a de Polignac number, because 5453281 - 2⁵ = 5453249 is a prime.

It is a super-2 number, since 2×5453281² = 59476547329922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5453881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2726640 + 2726641.

It is an arithmetic number, because the mean of its divisors is an integer number (2726641).

Almost surely, 2^5453281 is an apocalyptic number.

It is an amenable number.

5453281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5453281 is an equidigital number, since it uses as much as digits as its factorization.

5453281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 28.

The square root of 5453281 is about 2335.2261132490. The cubic root of 5453281 is about 176.0161938440.

Subtracting from 5453281 its sum of digits (28), we obtain a triangular number (5453253 = T₃₃₀₂).

It can be divided in two parts, 54 and 53281, that added together give a palindrome (53335).

The spelling of 5453281 in words is "five million, four hundred fifty-three thousand, two hundred eighty-one".