6961543 has 4 divisors (see below), whose sum is σ = 7327960. Its totient is φ = 6595128.

The previous prime is 6961541. The next prime is 6961547. The reversal of 6961543 is 3451696.

6961543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6961543 - 2¹ = 6961541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6961499 and 6961508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6961541) 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, 183180 + ... + 183217.

It is an arithmetic number, because the mean of its divisors is an integer number (1831990).

Almost surely, 2^6961543 is an apocalyptic number.

6961543 is a deficient number, since it is larger than the sum of its proper divisors (366417).

6961543 is a wasteful number, since it uses less digits than its factorization.

6961543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366416.

The product of its digits is 19440, while the sum is 34.

The square root of 6961543 is about 2638.4736117687. The cubic root of 6961543 is about 190.9421624353.

The spelling of 6961543 in words is "six million, nine hundred sixty-one thousand, five hundred forty-three".