2075521 has 4 divisors (see below), whose sum is σ = 2372032. Its totient is φ = 1779012.

The previous prime is 2075483. The next prime is 2075537. The reversal of 2075521 is 1255702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2075521 - 2⁷ = 2075393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2075492 and 2075501.

It is not an unprimeable number, because it can be changed into a prime (2075551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148245 + ... + 148258.

It is an arithmetic number, because the mean of its divisors is an integer number (593008).

2^2075521 is an apocalyptic number.

It is an amenable number.

2075521 is a deficient number, since it is larger than the sum of its proper divisors (296511).

2075521 is an equidigital number, since it uses as much as digits as its factorization.

2075521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296510.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 2075521 is about 1440.6668594786. Note that the first 3 decimals coincide. The cubic root of 2075521 is about 127.5583943717.

The spelling of 2075521 in words is "two million, seventy-five thousand, five hundred twenty-one".