2520540430 has 8 divisors (see below), whose sum is σ = 4536972792. Its totient is φ = 1008216168.

The previous prime is 2520540427. The next prime is 2520540439. The reversal of 2520540430 is 340450252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2520540395 and 2520540404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520540439) 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, 126027012 + ... + 126027031.

It is an arithmetic number, because the mean of its divisors is an integer number (567121599).

Almost surely, 2^2520540430 is an apocalyptic number.

2520540430 is a deficient number, since it is larger than the sum of its proper divisors (2016432362).

2520540430 is a wasteful number, since it uses less digits than its factorization.

2520540430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252054050.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2520540430 is about 50204.9841151255. The cubic root of 2520540430 is about 1360.9156949545.

Adding to 2520540430 its reverse (340450252), we get a palindrome (2860990682).

The spelling of 2520540430 in words is "two billion, five hundred twenty million, five hundred forty thousand, four hundred thirty".