2535521 has 8 divisors (see below), whose sum is σ = 2649600. Its totient is φ = 2423520.

The previous prime is 2535487. The next prime is 2535527. The reversal of 2535521 is 1255352.

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 2535521 - 2⁶ = 2535457 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 5⁴ + 3¹⁰ + 5⁸ + 5⁹ + 2¹⁷ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2535527) 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, 2300 + ... + 3218.

It is an arithmetic number, because the mean of its divisors is an integer number (331200).

2^2535521 is an apocalyptic number.

It is an amenable number.

2535521 is a deficient number, since it is larger than the sum of its proper divisors (114079).

2535521 is an equidigital number, since it uses as much as digits as its factorization.

2535521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039.

The product of its digits is 1500, while the sum is 23.

The square root of 2535521 is about 1592.3319377567. The cubic root of 2535521 is about 136.3606524734.

The spelling of 2535521 in words is "two million, five hundred thirty-five thousand, five hundred twenty-one".