2541563574 has 16 divisors (see below), whose sum is σ = 5545229760. Its totient is φ = 770170760.

The previous prime is 2541563543. The next prime is 2541563579. The reversal of 2541563574 is 4753651452.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541563579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19254204 + ... + 19254335.

It is an arithmetic number, because the mean of its divisors is an integer number (346576860).

Almost surely, 2^2541563574 is an apocalyptic number.

2541563574 is an abundant number, since it is smaller than the sum of its proper divisors (3003666186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2541563574 is a wasteful number, since it uses less digits than its factorization.

2541563574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38508555.

The product of its digits is 504000, while the sum is 42.

The square root of 2541563574 is about 50413.9224222833. The cubic root of 2541563574 is about 1364.6889001066.

The spelling of 2541563574 in words is "two billion, five hundred forty-one million, five hundred sixty-three thousand, five hundred seventy-four".