2520535545 has 24 divisors (see below), whose sum is σ = 4766104512. Its totient is φ = 1222077600.

The previous prime is 2520535531. The next prime is 2520535547. The reversal of 2520535545 is 5455350252.

2520535545 is a `hidden beast` number, since 2 + 52 + 0 + 53 + 554 + 5 = 666.

It is not a de Polignac number, because 2520535545 - 2⁴ = 2520535529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520535547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2545501 + ... + 2546490.

It is an arithmetic number, because the mean of its divisors is an integer number (198587688).

Almost surely, 2^2520535545 is an apocalyptic number.

It is an amenable number.

2520535545 is a deficient number, since it is larger than the sum of its proper divisors (2245568967).

2520535545 is a wasteful number, since it uses less digits than its factorization.

2520535545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092013 (or 5092010 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The square root of 2520535545 is about 50204.9354645537. The cubic root of 2520535545 is about 1360.9148157677.

Adding to 2520535545 its reverse (5455350252), we get a palindrome (7975885797).

The spelling of 2520535545 in words is "two billion, five hundred twenty million, five hundred thirty-five thousand, five hundred forty-five".