1010542541 has 4 divisors (see below), whose sum is σ = 1012482684. Its totient is φ = 1008602400.

The previous prime is 1010542529. The next prime is 1010542549. The reversal of 1010542541 is 1452450101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 443102500 + 567440041 = 21050^2 + 23821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010542541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010542549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969290 + ... + 970331.

It is an arithmetic number, because the mean of its divisors is an integer number (253120671).

Almost surely, 2^1010542541 is an apocalyptic number.

It is an amenable number.

1010542541 is a deficient number, since it is larger than the sum of its proper divisors (1940143).

1010542541 is an equidigital number, since it uses as much as digits as its factorization.

1010542541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940142.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1010542541 is about 31789.0317719807. The cubic root of 1010542541 is about 1003.5019026959.

Adding to 1010542541 its reverse (1452450101), we get a palindrome (2462992642).

The spelling of 1010542541 in words is "one billion, ten million, five hundred forty-two thousand, five hundred forty-one".