6534481 has 2 divisors, whose sum is σ = 6534482. Its totient is φ = 6534480.

The previous prime is 6534467. The next prime is 6534487. The reversal of 6534481 is 1844356.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 2692881 = 1960^2 + 1641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6534481 is a prime.

It is a super-2 number, since 2×6534481² = 85398883878722, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6³ + 5³ + 3¹¹ + 4⁸ + 4¹¹ + 8⁷ + 1 .

It is not a weakly prime, because it can be changed into another prime (6534487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3267240 + 3267241.

It is an arithmetic number, because the mean of its divisors is an integer number (3267241).

Almost surely, 2^6534481 is an apocalyptic number.

It is an amenable number.

6534481 is a deficient number, since it is larger than the sum of its proper divisors (1).

6534481 is an equidigital number, since it uses as much as digits as its factorization.

6534481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 6534481 is about 2556.2630928760. The cubic root of 6534481 is about 186.9549778656.

The spelling of 6534481 in words is "six million, five hundred thirty-four thousand, four hundred eighty-one".