2520325543 has 4 divisors (see below), whose sum is σ = 2521203840. Its totient is φ = 2519447248.

The previous prime is 2520325537. The next prime is 2520325573. The reversal of 2520325543 is 3455230252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2520325543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520325523) 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 3 ways as a sum of consecutive naturals, for example, 434830 + ... + 440587.

It is an arithmetic number, because the mean of its divisors is an integer number (630300960).

Almost surely, 2^2520325543 is an apocalyptic number.

2520325543 is a deficient number, since it is larger than the sum of its proper divisors (878297).

2520325543 is an equidigital number, since it uses as much as digits as its factorization.

2520325543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878296.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 2520325543 is about 50202.8439732253. The cubic root of 2520325543 is about 1360.8770192009.

Adding to 2520325543 its reverse (3455230252), we get a palindrome (5975555795).

The spelling of 2520325543 in words is "two billion, five hundred twenty million, three hundred twenty-five thousand, five hundred forty-three".