5478881 has 2 divisors, whose sum is σ = 5478882. Its totient is φ = 5478880.

The previous prime is 5478877. The next prime is 5478911. The reversal of 5478881 is 1888745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2890000 + 2588881 = 1700^2 + 1609^2 .

It is a cyclic number.

It is not a de Polignac number, because 5478881 - 2² = 5478877 is a prime.

It is a super-2 number, since 2×5478881² = 60036274024322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5478841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2739440 + 2739441.

It is an arithmetic number, because the mean of its divisors is an integer number (2739441).

Almost surely, 2^5478881 is an apocalyptic number.

It is an amenable number.

5478881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5478881 is an equidigital number, since it uses as much as digits as its factorization.

5478881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71680, while the sum is 41.

The square root of 5478881 is about 2340.7009633868. The cubic root of 5478881 is about 176.2911953736.

The spelling of 5478881 in words is "five million, four hundred seventy-eight thousand, eight hundred eighty-one".