2541592261 has 4 divisors (see below), whose sum is σ = 2737099372. Its totient is φ = 2346085152.

The previous prime is 2541592241. The next prime is 2541592279. The reversal of 2541592261 is 1622951452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1480787361 + 1060804900 = 38481^2 + 32570^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541592261 - 2¹⁹ = 2541067973 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 2541592261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541592201) 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, 97753536 + ... + 97753561.

It is an arithmetic number, because the mean of its divisors is an integer number (684274843).

Almost surely, 2^2541592261 is an apocalyptic number.

It is an amenable number.

2541592261 is a deficient number, since it is larger than the sum of its proper divisors (195507111).

2541592261 is a wasteful number, since it uses less digits than its factorization.

2541592261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195507110.

The product of its digits is 43200, while the sum is 37.

The square root of 2541592261 is about 50414.2069361405. The cubic root of 2541592261 is about 1364.6940345684.

The spelling of 2541592261 in words is "two billion, five hundred forty-one million, five hundred ninety-two thousand, two hundred sixty-one".