2521053703 has 64 divisors (see below), whose sum is σ = 3251404800. Its totient is φ = 1906519680.

The previous prime is 2521053683. The next prime is 2521053757. The reversal of 2521053703 is 3073501252.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2521053703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521053763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18137008 + ... + 18137146.

It is an arithmetic number, because the mean of its divisors is an integer number (50803200).

Almost surely, 2^2521053703 is an apocalyptic number.

2521053703 is a deficient number, since it is larger than the sum of its proper divisors (730351097).

2521053703 is a wasteful number, since it uses less digits than its factorization.

2521053703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 2521053703 is about 50210.0956282698. The cubic root of 2521053703 is about 1361.0080658688.

Adding to 2521053703 its reverse (3073501252), we get a palindrome (5594554955).

The spelling of 2521053703 in words is "two billion, five hundred twenty-one million, fifty-three thousand, seven hundred three".