2102523135 has 16 divisors (see below), whose sum is σ = 3369504096. Its totient is φ = 1119523328.

The previous prime is 2102523133. The next prime is 2102523139. The reversal of 2102523135 is 5313252012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2102523135 - 2¹ = 2102523133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102523131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104334 + ... + 122843.

It is an arithmetic number, because the mean of its divisors is an integer number (210594006).

Almost surely, 2^2102523135 is an apocalyptic number.

2102523135 is a deficient number, since it is larger than the sum of its proper divisors (1266980961).

2102523135 is a wasteful number, since it uses less digits than its factorization.

2102523135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227802.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2102523135 is about 45853.2783451740. The cubic root of 2102523135 is about 1281.0918286283.

Adding to 2102523135 its reverse (5313252012), we get a palindrome (7415775147).

The spelling of 2102523135 in words is "two billion, one hundred two million, five hundred twenty-three thousand, one hundred thirty-five".