5478457 has 2 divisors, whose sum is σ = 5478458. Its totient is φ = 5478456.

The previous prime is 5478433. The next prime is 5478481. The reversal of 5478457 is 7548745.

It is a balanced prime because it is at equal distance from previous prime (5478433) and next prime (5478481).

It can be written as a sum of positive squares in only one way, i.e., 4596736 + 881721 = 2144^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 5478457 - 2¹⁵ = 5445689 is a prime.

It is a super-2 number, since 2×5478457² = 60026982201698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5478497) 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 as a sum of consecutive naturals, namely, 2739228 + 2739229.

It is an arithmetic number, because the mean of its divisors is an integer number (2739229).

Almost surely, 2^5478457 is an apocalyptic number.

It is an amenable number.

5478457 is a deficient number, since it is larger than the sum of its proper divisors (1).

5478457 is an equidigital number, since it uses as much as digits as its factorization.

5478457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 40.

The square root of 5478457 is about 2340.6103904751. The cubic root of 5478457 is about 176.2866476448.

The spelling of 5478457 in words is "five million, four hundred seventy-eight thousand, four hundred fifty-seven".