2081526 has 36 divisors (see below), whose sum is σ = 4539996. Its totient is φ = 636120.

The previous prime is 2081491. The next prime is 2081537. The reversal of 2081526 is 6251802.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2081496 and 2081505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67131 + ... + 67161.

It is an arithmetic number, because the mean of its divisors is an integer number (126111).

2^2081526 is an apocalyptic number.

2081526 is an abundant number, since it is smaller than the sum of its proper divisors (2458470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2081526 is a wasteful number, since it uses less digits than its factorization.

2081526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2081526 is about 1442.7494584993. The cubic root of 2081526 is about 127.6812953383.

Multiplying 2081526 by its sum of digits (24), we get a square (49956624 = 7068²).

The spelling of 2081526 in words is "two million, eighty-one thousand, five hundred twenty-six".