5481601 has 4 divisors (see below), whose sum is σ = 5486292. Its totient is φ = 5476912.

The previous prime is 5481583. The next prime is 5481607. The reversal of 5481601 is 1061845.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1061845 = 5 ⋅212369.

It can be written as a sum of positive squares in 2 ways, for example, as 4511376 + 970225 = 2124^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 5481601 - 2⁷ = 5481473 is a prime.

It is a Duffinian number.

5481601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5481607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (1371573).

Almost surely, 2^5481601 is an apocalyptic number.

It is an amenable number.

5481601 is a deficient number, since it is larger than the sum of its proper divisors (4691).

5481601 is a wasteful number, since it uses less digits than its factorization.

5481601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 5481601 is about 2341.2819138241. The cubic root of 5481601 is about 176.3203639041.

The spelling of 5481601 in words is "five million, four hundred eighty-one thousand, six hundred one".