2572116541 has 4 divisors (see below), whose sum is σ = 2723417532. Its totient is φ = 2420815552.

The previous prime is 2572116539. The next prime is 2572116563. The reversal of 2572116541 is 1456112752.

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 1872725625 + 699390916 = 43275^2 + 26446^2 .

It is a cyclic number.

It is not a de Polignac number, because 2572116541 - 2¹ = 2572116539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2572116497 and 2572116506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572116641) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 75650470 + ... + 75650503.

It is an arithmetic number, because the mean of its divisors is an integer number (680854383).

Almost surely, 2^2572116541 is an apocalyptic number.

It is an amenable number.

2572116541 is a deficient number, since it is larger than the sum of its proper divisors (151300991).

2572116541 is a wasteful number, since it uses less digits than its factorization.

2572116541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151300990.

The product of its digits is 16800, while the sum is 34.

The square root of 2572116541 is about 50716.0383015077. The cubic root of 2572116541 is about 1370.1355897911.

The spelling of 2572116541 in words is "two billion, five hundred seventy-two million, one hundred sixteen thousand, five hundred forty-one".