2541965393 has 4 divisors (see below), whose sum is σ = 2773053168. Its totient is φ = 2310877620.

The previous prime is 2541965357. The next prime is 2541965399. The reversal of 2541965393 is 3935691452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541965393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541965399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115543871 + ... + 115543892.

It is an arithmetic number, because the mean of its divisors is an integer number (693263292).

Almost surely, 2^2541965393 is an apocalyptic number.

It is an amenable number.

2541965393 is a deficient number, since it is larger than the sum of its proper divisors (231087775).

2541965393 is a wasteful number, since it uses less digits than its factorization.

2541965393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231087774.

The product of its digits is 874800, while the sum is 47.

The square root of 2541965393 is about 50417.9074635193. The cubic root of 2541965393 is about 1364.7608150279.

The spelling of 2541965393 in words is "two billion, five hundred forty-one million, nine hundred sixty-five thousand, three hundred ninety-three".