2520540215 has 16 divisors (see below), whose sum is σ = 3180266496. Its totient is φ = 1914026400.

The previous prime is 2520540199. The next prime is 2520540223. The reversal of 2520540215 is 5120450252.

2520540215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2520540215 - 2⁴ = 2520540199 is a prime.

It is a Duffinian number.

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, 68591 + ... + 98720.

It is an arithmetic number, because the mean of its divisors is an integer number (198766656).

Almost surely, 2^2520540215 is an apocalyptic number.

2520540215 is a deficient number, since it is larger than the sum of its proper divisors (659726281).

2520540215 is a wasteful number, since it uses less digits than its factorization.

2520540215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167470.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2520540215 is about 50204.9819739037. The cubic root of 2520540215 is about 1360.9156562595.

Adding to 2520540215 its reverse (5120450252), we get a palindrome (7640990467).

The spelling of 2520540215 in words is "two billion, five hundred twenty million, five hundred forty thousand, two hundred fifteen".