676540541 has 4 divisors (see below), whose sum is σ = 676599132. Its totient is φ = 676481952.

The previous prime is 676540537. The next prime is 676540573. The reversal of 676540541 is 145045676.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 329277316 + 347263225 = 18146^2 + 18635^2 .

It is a cyclic number.

It is not a de Polignac number, because 676540541 - 2² = 676540537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 676540495 and 676540504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676540511) 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, 5570 + ... + 37203.

It is an arithmetic number, because the mean of its divisors is an integer number (169149783).

Almost surely, 2^676540541 is an apocalyptic number.

It is an amenable number.

676540541 is a deficient number, since it is larger than the sum of its proper divisors (58591).

676540541 is a wasteful number, since it uses less digits than its factorization.

676540541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58590.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 676540541 is about 26010.3929420530. The cubic root of 676540541 is about 877.8721580044.

The spelling of 676540541 in words is "six hundred seventy-six million, five hundred forty thousand, five hundred forty-one".