2541693331 has 2 divisors, whose sum is σ = 2541693332. Its totient is φ = 2541693330.

The previous prime is 2541693311. The next prime is 2541693367. The reversal of 2541693331 is 1333961452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2541693331 - 2⁹ = 2541692819 is a prime.

It is a super-2 number, since 2×2541693331² = 12920409977699751122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2541693311) 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 as a sum of consecutive naturals, namely, 1270846665 + 1270846666.

It is an arithmetic number, because the mean of its divisors is an integer number (1270846666).

Almost surely, 2^2541693331 is an apocalyptic number.

2541693331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541693331 is an equidigital number, since it uses as much as digits as its factorization.

2541693331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 2541693331 is about 50415.2093221877. The cubic root of 2541693331 is about 1364.7121239894.

The spelling of 2541693331 in words is "two billion, five hundred forty-one million, six hundred ninety-three thousand, three hundred thirty-one".