5406481 has 2 divisors, whose sum is σ = 5406482. Its totient is φ = 5406480.

The previous prime is 5406463. The next prime is 5406487. The reversal of 5406481 is 1846045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5022081 + 384400 = 2241^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 5406481 - 2⁹ = 5405969 is a prime.

It is a super-2 number, since 2×5406481² = 58460073606722, which contains 22 as substring.

It is equal to p₃₇₄₇₆₁ and since 5406481 and 374761 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (5406487) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2703240 + 2703241.

It is an arithmetic number, because the mean of its divisors is an integer number (2703241).

Almost surely, 2^5406481 is an apocalyptic number.

It is an amenable number.

5406481 is a deficient number, since it is larger than the sum of its proper divisors (1).

5406481 is an equidigital number, since it uses as much as digits as its factorization.

5406481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 5406481 is about 2325.1840787344. The cubic root of 5406481 is about 175.5112234877.

It can be divided in two parts, 54064 and 81, that added together give a palindrome (54145).

The spelling of 5406481 in words is "five million, four hundred six thousand, four hundred eighty-one".