6520454 has 12 divisors (see below), whose sum is σ = 10226076. Its totient is φ = 3117972.

The previous prime is 6520453. The next prime is 6520457. The reversal of 6520454 is 4540256.

It is a super-2 number, since 2×6520454² = 85032640732232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2024 + ... + 4139.

It is an arithmetic number, because the mean of its divisors is an integer number (852173).

Almost surely, 2^6520454 is an apocalyptic number.

6520454 is a deficient number, since it is larger than the sum of its proper divisors (3705622).

6520454 is a wasteful number, since it uses less digits than its factorization.

6520454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211 (or 6188 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 6520454 is about 2553.5179654743. The cubic root of 6520454 is about 186.8211087206.

The spelling of 6520454 in words is "six million, five hundred twenty thousand, four hundred fifty-four".