2540471507 has 4 divisors (see below), whose sum is σ = 2903396016. Its totient is φ = 2177547000.

The previous prime is 2540471497. The next prime is 2540471573. The reversal of 2540471507 is 7051740452.

2540471507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2540471507 - 2⁸ = 2540471251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2540471107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181462244 + ... + 181462257.

It is an arithmetic number, because the mean of its divisors is an integer number (725849004).

Almost surely, 2^2540471507 is an apocalyptic number.

2540471507 is a deficient number, since it is larger than the sum of its proper divisors (362924509).

2540471507 is an equidigital number, since it uses as much as digits as its factorization.

2540471507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362924508.

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 2540471507 is about 50403.0902524835. The cubic root of 2540471507 is about 1364.4934108369.

The spelling of 2540471507 in words is "two billion, five hundred forty million, four hundred seventy-one thousand, five hundred seven".