1001344541 has 4 divisors (see below), whose sum is σ = 1022649792. Its totient is φ = 980039292.

The previous prime is 1001344511. The next prime is 1001344549. The reversal of 1001344541 is 1454431001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1001344541 - 2¹⁴ = 1001328157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001344549) 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, 10652555 + ... + 10652648.

It is an arithmetic number, because the mean of its divisors is an integer number (255662448).

Almost surely, 2^1001344541 is an apocalyptic number.

It is an amenable number.

1001344541 is a deficient number, since it is larger than the sum of its proper divisors (21305251).

1001344541 is an equidigital number, since it uses as much as digits as its factorization.

1001344541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21305250.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1001344541 is about 31644.0285204018. The cubic root of 1001344541 is about 1000.4479796176.

Adding to 1001344541 its reverse (1454431001), we get a palindrome (2455775542).

The spelling of 1001344541 in words is "one billion, one million, three hundred forty-four thousand, five hundred forty-one".