2113528 has 24 divisors (see below), whose sum is σ = 4085640. Its totient is φ = 1024800.

The previous prime is 2113523. The next prime is 2113567. The reversal of 2113528 is 8253112.

It is a d-powerful number, because it can be written as 2² + 1 + 1 + 3⁶ + 5⁶ + 2⁴ + 8⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 2113499 and 2113508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29733 + ... + 29803.

It is an arithmetic number, because the mean of its divisors is an integer number (170235).

2^2113528 is an apocalyptic number.

It is an amenable number.

2113528 is a deficient number, since it is larger than the sum of its proper divisors (1972112).

2113528 is an equidigital number, since it uses as much as digits as its factorization.

2113528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 134 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 2113528 is about 1453.7977851132. The cubic root of 2113528 is about 128.3323071075.

The spelling of 2113528 in words is "two million, one hundred thirteen thousand, five hundred twenty-eight".