2611533541 has 2 divisors, whose sum is σ = 2611533542. Its totient is φ = 2611533540.

The previous prime is 2611533511. The next prime is 2611533611. The reversal of 2611533541 is 1453351162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1993265316 + 618268225 = 44646^2 + 24865^2 .

It is a cyclic number.

It is not a de Polignac number, because 2611533541 - 2¹³ = 2611525349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2611533511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305766770 + 1305766771.

It is an arithmetic number, because the mean of its divisors is an integer number (1305766771).

Almost surely, 2^2611533541 is an apocalyptic number.

It is an amenable number.

2611533541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611533541 is an equidigital number, since it uses as much as digits as its factorization.

2611533541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 2611533541 is about 51103.1656651523. The cubic root of 2611533541 is about 1377.0991260630.

The spelling of 2611533541 in words is "two billion, six hundred eleven million, five hundred thirty-three thousand, five hundred forty-one".