1000542545 has 8 divisors (see below), whose sum is σ = 1201058280. Its totient is φ = 800162560.

The previous prime is 1000542511. The next prime is 1000542563. The reversal of 1000542545 is 5452450001.

It can be written as a sum of positive squares in 4 ways, for example, as 247149841 + 753392704 = 15721^2 + 27448^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000542545 - 2¹² = 1000538449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16946 + ... + 47835.

It is an arithmetic number, because the mean of its divisors is an integer number (150132285).

Almost surely, 2^1000542545 is an apocalyptic number.

It is an amenable number.

1000542545 is a deficient number, since it is larger than the sum of its proper divisors (200515735).

1000542545 is an equidigital number, since it uses as much as digits as its factorization.

1000542545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67875.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1000542545 is about 31631.3538281244. The cubic root of 1000542545 is about 1000.1808156371.

Adding to 1000542545 its reverse (5452450001), we get a palindrome (6452992546).

The spelling of 1000542545 in words is "one billion, five hundred forty-two thousand, five hundred forty-five".