1000545838 has 4 divisors (see below), whose sum is σ = 1500818760. Its totient is φ = 500272918.

The previous prime is 1000545809. The next prime is 1000545841. The reversal of 1000545838 is 8385450001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8385450001 = 74411 ⋅112691.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250136458 + ... + 250136461.

It is an arithmetic number, because the mean of its divisors is an integer number (375204690).

Almost surely, 2^1000545838 is an apocalyptic number.

1000545838 is a deficient number, since it is larger than the sum of its proper divisors (500272922).

1000545838 is an equidigital number, since it uses as much as digits as its factorization.

1000545838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500272921.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 1000545838 is about 31631.4058808647. The cubic root of 1000545838 is about 1000.1819129057.

Adding to 1000545838 its reverse (8385450001), we get a palindrome (9385995839).

The spelling of 1000545838 in words is "one billion, five hundred forty-five thousand, eight hundred thirty-eight".