2394521 has 4 divisors (see below), whose sum is σ = 2400000. Its totient is φ = 2389044.

The previous prime is 2394503. The next prime is 2394527. The reversal of 2394521 is 1254932.

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 2394521 - 2¹⁰ = 2393497 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2394527) 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, 2021 + ... + 2978.

It is an arithmetic number, because the mean of its divisors is an integer number (600000).

2^2394521 is an apocalyptic number.

It is an amenable number.

2394521 is a deficient number, since it is larger than the sum of its proper divisors (5479).

2394521 is an equidigital number, since it uses as much as digits as its factorization.

2394521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5478.

The product of its digits is 2160, while the sum is 26.

The square root of 2394521 is about 1547.4239884401. The cubic root of 2394521 is about 133.7846284111.

The spelling of 2394521 in words is "two million, three hundred ninety-four thousand, five hundred twenty-one".