5481913 has 2 divisors, whose sum is σ = 5481914. Its totient is φ = 5481912.

The previous prime is 5481907. The next prime is 5481961. The reversal of 5481913 is 3191845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3640464 + 1841449 = 1908^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 5481913 - 2⁹ = 5481401 is a prime.

It is not a weakly prime, because it can be changed into another prime (5481013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2740956 + 2740957.

It is an arithmetic number, because the mean of its divisors is an integer number (2740957).

Almost surely, 2^5481913 is an apocalyptic number.

It is an amenable number.

5481913 is a deficient number, since it is larger than the sum of its proper divisors (1).

5481913 is an equidigital number, since it uses as much as digits as its factorization.

5481913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 5481913 is about 2341.3485430410. The cubic root of 5481913 is about 176.3237090892.

The spelling of 5481913 in words is "five million, four hundred eighty-one thousand, nine hundred thirteen".