2520135430 has 16 divisors (see below), whose sum is σ = 4540506480. Its totient is φ = 1007106912.

The previous prime is 2520135407. The next prime is 2520135439. The reversal of 2520135430 is 345310252.

It is a junction number, because it is equal to n+sod(n) for n = 2520135395 and 2520135404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520135439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107184 + ... + 128563.

It is an arithmetic number, because the mean of its divisors is an integer number (283781655).

Almost surely, 2^2520135430 is an apocalyptic number.

2520135430 is a deficient number, since it is larger than the sum of its proper divisors (2020371050).

2520135430 is a wasteful number, since it uses less digits than its factorization.

2520135430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236823.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2520135430 is about 50200.9504890097. The cubic root of 2520135430 is about 1360.8428004840.

Adding to 2520135430 its reverse (345310252), we get a palindrome (2865445682).

The spelling of 2520135430 in words is "two billion, five hundred twenty million, one hundred thirty-five thousand, four hundred thirty".