2541538654 has 12 divisors (see below), whose sum is σ = 3865262976. Its totient is φ = 1253356272.

The previous prime is 2541538651. The next prime is 2541538661. The reversal of 2541538654 is 4568351452.

It is a super-2 number, since 2×2541538654² = 12918837459552263432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2541538654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541538651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108574 + ... + 129889.

It is an arithmetic number, because the mean of its divisors is an integer number (322105248).

Almost surely, 2^2541538654 is an apocalyptic number.

2541538654 is a deficient number, since it is larger than the sum of its proper divisors (1323724322).

2541538654 is an equidigital number, since it uses as much as digits as its factorization.

2541538654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238611 (or 238538 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The square root of 2541538654 is about 50413.6752677287. The cubic root of 2541538654 is about 1364.6844398393.

The spelling of 2541538654 in words is "two billion, five hundred forty-one million, five hundred thirty-eight thousand, six hundred fifty-four".