2072521 has 8 divisors (see below), whose sum is σ = 2394144. Its totient is φ = 1773120.

The previous prime is 2072491. The next prime is 2072527. The reversal of 2072521 is 1252702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2072521 - 2⁵ = 2072489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2072527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5355 + ... + 5728.

It is an arithmetic number, because the mean of its divisors is an integer number (299268).

2^2072521 is an apocalyptic number.

It is an amenable number.

2072521 is a deficient number, since it is larger than the sum of its proper divisors (321623).

2072521 is a wasteful number, since it uses less digits than its factorization.

2072521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2072521 is about 1439.6252984718. The cubic root of 2072521 is about 127.4969062430.

The spelling of 2072521 in words is "two million, seventy-two thousand, five hundred twenty-one".