2541611731 has 2 divisors, whose sum is σ = 2541611732. Its totient is φ = 2541611730.

The previous prime is 2541611717. The next prime is 2541611759. The reversal of 2541611731 is 1371161452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541611731 is a prime.

It is a super-2 number, since 2×2541611731² = 12919580382313632722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2541611693 and 2541611702.

It is not a weakly prime, because it can be changed into another prime (2541611791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270805865 + 1270805866.

It is an arithmetic number, because the mean of its divisors is an integer number (1270805866).

Almost surely, 2^2541611731 is an apocalyptic number.

2541611731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541611731 is an equidigital number, since it uses as much as digits as its factorization.

2541611731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 2541611731 is about 50414.4000361008. The cubic root of 2541611731 is about 1364.6975193294.

The spelling of 2541611731 in words is "two billion, five hundred forty-one million, six hundred eleven thousand, seven hundred thirty-one".