2541939247 has 2 divisors, whose sum is σ = 2541939248. Its totient is φ = 2541939246.

The previous prime is 2541939227. The next prime is 2541939289. The reversal of 2541939247 is 7429391452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2541939247 - 2¹⁹ = 2541414959 is a prime.

It is a super-2 number, since 2×2541939247² = 12922910270877854018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2541939197 and 2541939206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2541939227) 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 as a sum of consecutive naturals, namely, 1270969623 + 1270969624.

It is an arithmetic number, because the mean of its divisors is an integer number (1270969624).

Almost surely, 2^2541939247 is an apocalyptic number.

2541939247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541939247 is an equidigital number, since it uses as much as digits as its factorization.

2541939247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 2541939247 is about 50417.6481700605. The cubic root of 2541939247 is about 1364.7561358193.

The spelling of 2541939247 in words is "two billion, five hundred forty-one million, nine hundred thirty-nine thousand, two hundred forty-seven".