2102553523 has 16 divisors (see below), whose sum is σ = 2568983040. Its totient is φ = 1679700096.

The previous prime is 2102553521. The next prime is 2102553529. The reversal of 2102553523 is 3253552012.

It is not a de Polignac number, because 2102553523 - 2¹ = 2102553521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102553491 and 2102553500.

It is not an unprimeable number, because it can be changed into a prime (2102553521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73513 + ... + 98026.

It is an arithmetic number, because the mean of its divisors is an integer number (160561440).

Almost surely, 2^2102553523 is an apocalyptic number.

2102553523 is a deficient number, since it is larger than the sum of its proper divisors (466429517).

2102553523 is a wasteful number, since it uses less digits than its factorization.

2102553523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171666.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2102553523 is about 45853.6097052348. The cubic root of 2102553523 is about 1281.0980005193.

The spelling of 2102553523 in words is "two billion, one hundred two million, five hundred fifty-three thousand, five hundred twenty-three".