2113525534 has 16 divisors (see below), whose sum is σ = 3344705280. Its totient is φ = 998875800.

The previous prime is 2113525511. The next prime is 2113525549. The reversal of 2113525534 is 4355253112.

It is a junction number, because it is equal to n+sod(n) for n = 2113525496 and 2113525505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45942 + ... + 79609.

It is an arithmetic number, because the mean of its divisors is an integer number (209044080).

Almost surely, 2^2113525534 is an apocalyptic number.

2113525534 is a deficient number, since it is larger than the sum of its proper divisors (1231179746).

2113525534 is a wasteful number, since it uses less digits than its factorization.

2113525534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126015.

The product of its digits is 18000, while the sum is 31.

The square root of 2113525534 is about 45973.0957626306. The cubic root of 2113525534 is about 1283.3225719605.

Adding to 2113525534 its reverse (4355253112), we get a palindrome (6468778646).

The spelling of 2113525534 in words is "two billion, one hundred thirteen million, five hundred twenty-five thousand, five hundred thirty-four".