5481261 has 12 divisors (see below), whose sum is σ = 8190780. Its totient is φ = 3528000.

The previous prime is 5481251. The next prime is 5481299. The reversal of 5481261 is 1621845.

5481261 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1988100 + 3493161 = 1410^2 + 1869^2 .

It is not a de Polignac number, because 5481261 - 2¹⁸ = 5219117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10240 + ... + 10761.

It is an arithmetic number, because the mean of its divisors is an integer number (682565).

Almost surely, 2^5481261 is an apocalyptic number.

It is an amenable number.

5481261 is a deficient number, since it is larger than the sum of its proper divisors (2709519).

5481261 is a wasteful number, since it uses less digits than its factorization.

5481261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21036 (or 21033 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 5481261 is about 2341.2093029031. The cubic root of 5481261 is about 176.3167183655.

The spelling of 5481261 in words is "five million, four hundred eighty-one thousand, two hundred sixty-one".