541667538 has 24 divisors (see below), whose sum is σ = 1178298576. Its totient is φ = 179835000.

The previous prime is 541667537. The next prime is 541667563. The reversal of 541667538 is 835766145.

541667538 is a `hidden beast` number, since 54 + 1 + 6 + 67 + 538 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 541667493 and 541667502.

It is not an unprimeable number, because it can be changed into a prime (541667537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55428 + ... + 64463.

It is an arithmetic number, because the mean of its divisors is an integer number (49095774).

Almost surely, 2^541667538 is an apocalyptic number.

541667538 is an abundant number, since it is smaller than the sum of its proper divisors (636631038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

541667538 is a wasteful number, since it uses less digits than its factorization.

541667538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120150 (or 120147 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 541667538 is about 23273.7521255168. The cubic root of 541667538 is about 815.1626448454.

The spelling of 541667538 in words is "five hundred forty-one million, six hundred sixty-seven thousand, five hundred thirty-eight".