6157543 has 4 divisors (see below), whose sum is σ = 7037200. Its totient is φ = 5277888.

The previous prime is 6157513. The next prime is 6157549. The reversal of 6157543 is 3457516.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6157543 - 2⁵ = 6157511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6157549) 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, 439818 + ... + 439831.

It is an arithmetic number, because the mean of its divisors is an integer number (1759300).

Almost surely, 2^6157543 is an apocalyptic number.

6157543 is a deficient number, since it is larger than the sum of its proper divisors (879657).

6157543 is an equidigital number, since it uses as much as digits as its factorization.

6157543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879656.

The product of its digits is 12600, while the sum is 31.

The square root of 6157543 is about 2481.4397030756. The cubic root of 6157543 is about 183.2887535317.

The spelling of 6157543 in words is "six million, one hundred fifty-seven thousand, five hundred forty-three".