2541305947 has 2 divisors, whose sum is σ = 2541305948. Its totient is φ = 2541305946.

The previous prime is 2541305909. The next prime is 2541305953. The reversal of 2541305947 is 7495031452.

It is a happy number.

2541305947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2541305947 - 2¹¹ = 2541303899 is a prime.

It is not a weakly prime, because it can be changed into another prime (2541305147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270652973 + 1270652974.

It is an arithmetic number, because the mean of its divisors is an integer number (1270652974).

Almost surely, 2^2541305947 is an apocalyptic number.

2541305947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541305947 is an equidigital number, since it uses as much as digits as its factorization.

2541305947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 2541305947 is about 50411.3672399390. The cubic root of 2541305947 is about 1364.6427877329.

The spelling of 2541305947 in words is "two billion, five hundred forty-one million, three hundred five thousand, nine hundred forty-seven".