5405481 has 32 divisors (see below), whose sum is σ = 8668800. Its totient is φ = 3317760.

The previous prime is 5405479. The next prime is 5405503. The reversal of 5405481 is 1845045.

It is not a de Polignac number, because 5405481 - 2¹ = 5405479 is a prime.

It is a super-2 number, since 2×5405481² = 58438449682722, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (5405471) 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, 20905 + ... + 21161.

It is an arithmetic number, because the mean of its divisors is an integer number (270900).

Almost surely, 2^5405481 is an apocalyptic number.

It is an amenable number.

5405481 is a deficient number, since it is larger than the sum of its proper divisors (3263319).

5405481 is a wasteful number, since it uses less digits than its factorization.

5405481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 320 counting only the distinct ones).

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

The square root of 5405481 is about 2324.9690320518. The cubic root of 5405481 is about 175.5004017815.

It can be divided in two parts, 5405 and 481, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 5405481 in words is "five million, four hundred five thousand, four hundred eighty-one".