2541677545 has 16 divisors (see below), whose sum is σ = 3381837120. Its totient is φ = 1818187200.

The previous prime is 2541677539. The next prime is 2541677549. The reversal of 2541677545 is 5457761452.

It is not a de Polignac number, because 2541677545 - 2⁷ = 2541677417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2541677495 and 2541677504.

It is not an unprimeable number, because it can be changed into a prime (2541677549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375435 + ... + 382144.

It is an arithmetic number, because the mean of its divisors is an integer number (211364820).

Almost surely, 2^2541677545 is an apocalyptic number.

It is an amenable number.

2541677545 is a deficient number, since it is larger than the sum of its proper divisors (840159575).

2541677545 is a wasteful number, since it uses less digits than its factorization.

2541677545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757656.

The product of its digits is 1176000, while the sum is 46.

The square root of 2541677545 is about 50415.0527620472. The cubic root of 2541677545 is about 1364.7092986564.

It can be divided in two parts, 2541 and 677545, that added together give a palindrome (680086).

The spelling of 2541677545 in words is "two billion, five hundred forty-one million, six hundred seventy-seven thousand, five hundred forty-five".