2543254461 has 24 divisors (see below), whose sum is σ = 4033102944. Its totient is φ = 1531539360.

The previous prime is 2543254457. The next prime is 2543254471. The reversal of 2543254461 is 1644523452.

2543254461 is a `hidden beast` number, since 2 + 54 + 3 + 2 + 544 + 61 = 666.

It is not a de Polignac number, because 2543254461 - 2² = 2543254457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543254411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66271 + ... + 97356.

It is an arithmetic number, because the mean of its divisors is an integer number (168045956).

Almost surely, 2^2543254461 is an apocalyptic number.

It is an amenable number.

2543254461 is a deficient number, since it is larger than the sum of its proper divisors (1489848483).

2543254461 is a wasteful number, since it uses less digits than its factorization.

2543254461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163801 (or 163798 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 2543254461 is about 50430.6896740467. The cubic root of 2543254461 is about 1364.9914727962.

The spelling of 2543254461 in words is "two billion, five hundred forty-three million, two hundred fifty-four thousand, four hundred sixty-one".