2541475641 has 4 divisors (see below), whose sum is σ = 3388634192. Its totient is φ = 1694317092.

The previous prime is 2541475633. The next prime is 2541475649. The reversal of 2541475641 is 1465741452.

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 an interprime number because it is at equal distance from previous prime (2541475633) and next prime (2541475649).

It is not a de Polignac number, because 2541475641 - 2³ = 2541475633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2541475641.

It is not an unprimeable number, because it can be changed into a prime (2541475649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423579271 + ... + 423579276.

It is an arithmetic number, because the mean of its divisors is an integer number (847158548).

Almost surely, 2^2541475641 is an apocalyptic number.

It is an amenable number.

2541475641 is a deficient number, since it is larger than the sum of its proper divisors (847158551).

2541475641 is an equidigital number, since it uses as much as digits as its factorization.

2541475641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847158550.

The product of its digits is 134400, while the sum is 39.

The square root of 2541475641 is about 50413.0503044599. The cubic root of 2541475641 is about 1364.6731614258.

The spelling of 2541475641 in words is "two billion, five hundred forty-one million, four hundred seventy-five thousand, six hundred forty-one".