2652521 has 4 divisors (see below), whose sum is σ = 2767872. Its totient is φ = 2537172.

The previous prime is 2652511. The next prime is 2652553. The reversal of 2652521 is 1252562.

2652521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2652521 - 2¹⁰ = 2651497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 115327 = 2652521 / (2 + 6 + 5 + 2 + 5 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2652511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57641 + ... + 57686.

It is an arithmetic number, because the mean of its divisors is an integer number (691968).

2^2652521 is an apocalyptic number.

It is an amenable number.

2652521 is a deficient number, since it is larger than the sum of its proper divisors (115351).

2652521 is a wasteful number, since it uses less digits than its factorization.

2652521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115350.

The product of its digits is 1200, while the sum is 23.

The square root of 2652521 is about 1628.6561945359. The cubic root of 2652521 is about 138.4266185840.

The spelling of 2652521 in words is "two million, six hundred fifty-two thousand, five hundred twenty-one".