2541647605 has 16 divisors (see below), whose sum is σ = 3570706944. Its totient is φ = 1700334720.

The previous prime is 2541647599. The next prime is 2541647617. The reversal of 2541647605 is 5067461452.

It is a happy number.

It is not a de Polignac number, because 2541647605 - 2⁵ = 2541647573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884157 + ... + 887026.

It is an arithmetic number, because the mean of its divisors is an integer number (223169184).

Almost surely, 2^2541647605 is an apocalyptic number.

It is an amenable number.

2541647605 is a deficient number, since it is larger than the sum of its proper divisors (1029059339).

2541647605 is a wasteful number, since it uses less digits than its factorization.

2541647605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771236.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 2541647605 is about 50414.7558260476. The cubic root of 2541647605 is about 1364.7039400489.

The spelling of 2541647605 in words is "two billion, five hundred forty-one million, six hundred forty-seven thousand, six hundred five".