5481405 has 32 divisors (see below), whose sum is σ = 10262400. Its totient is φ = 2768256.

The previous prime is 5481401. The next prime is 5481407. The reversal of 5481405 is 5041845.

It is not a de Polignac number, because 5481405 - 2² = 5481401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1497 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (320700).

Almost surely, 2^5481405 is an apocalyptic number.

It is an amenable number.

5481405 is a deficient number, since it is larger than the sum of its proper divisors (4780995).

5481405 is a wasteful number, since it uses less digits than its factorization.

5481405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170 (or 2164 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 5481405 is about 2341.2400560387. The cubic root of 5481405 is about 176.3182623767.

It can be divided in two parts, 5481 and 405, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 5481405 in words is "five million, four hundred eighty-one thousand, four hundred five".