2930521 has 4 divisors (see below), whose sum is σ = 3196944. Its totient is φ = 2664100.

The previous prime is 2930519. The next prime is 2930527. The reversal of 2930521 is 1250392.

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 2930521 - 2¹ = 2930519 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2930492 and 2930501.

It is not an unprimeable number, because it can be changed into a prime (2930527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133195 + ... + 133216.

It is an arithmetic number, because the mean of its divisors is an integer number (799236).

2^2930521 is an apocalyptic number.

It is an amenable number.

2930521 is a deficient number, since it is larger than the sum of its proper divisors (266423).

2930521 is a wasteful number, since it uses less digits than its factorization.

2930521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266422.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2930521 is about 1711.8764558227. The cubic root of 2930521 is about 143.1028487295.

The spelling of 2930521 in words is "two million, nine hundred thirty thousand, five hundred twenty-one".