6541493 has 4 divisors (see below), whose sum is σ = 7476000. Its totient is φ = 5606988.

The previous prime is 6541487. The next prime is 6541511. The reversal of 6541493 is 3941456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6541493 - 2⁴ = 6541477 is a prime.

It is a super-2 number, since 2×6541493² = 85582261338098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6541433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467243 + ... + 467256.

It is an arithmetic number, because the mean of its divisors is an integer number (1869000).

Almost surely, 2^6541493 is an apocalyptic number.

It is an amenable number.

6541493 is a deficient number, since it is larger than the sum of its proper divisors (934507).

6541493 is an equidigital number, since it uses as much as digits as its factorization.

6541493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934506.

The product of its digits is 12960, while the sum is 32.

The square root of 6541493 is about 2557.6342584506. The cubic root of 6541493 is about 187.0218263103.

The spelling of 6541493 in words is "six million, five hundred forty-one thousand, four hundred ninety-three".