5452781 has 2 divisors, whose sum is σ = 5452782. Its totient is φ = 5452780.

The previous prime is 5452747. The next prime is 5452789. The reversal of 5452781 is 1872545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3575881 + 1876900 = 1891^2 + 1370^2 .

It is a cyclic number.

It is not a de Polignac number, because 5452781 - 2¹⁴ = 5436397 is a prime.

It is a super-2 number, since 2×5452781² = 59465641267922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5452789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2726390 + 2726391.

It is an arithmetic number, because the mean of its divisors is an integer number (2726391).

Almost surely, 2^5452781 is an apocalyptic number.

It is an amenable number.

5452781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5452781 is an equidigital number, since it uses as much as digits as its factorization.

5452781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11200, while the sum is 32.

The square root of 5452781 is about 2335.1190547807. The cubic root of 5452781 is about 176.0108141599.

The spelling of 5452781 in words is "five million, four hundred fifty-two thousand, seven hundred eighty-one".