2521043 has 8 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 2144520.

The previous prime is 2521039. The next prime is 2521063. The reversal of 2521043 is 3401252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2521043 - 2² = 2521039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521003) 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, 323 + ... + 2268.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

2^2521043 is an apocalyptic number.

2521043 is a deficient number, since it is larger than the sum of its proper divisors (381997).

2521043 is a wasteful number, since it uses less digits than its factorization.

2521043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2521043 is about 1587.7792667748. The cubic root of 2521043 is about 136.1006139837.

Adding to 2521043 its reverse (3401252), we get a palindrome (5922295).

The spelling of 2521043 in words is "two million, five hundred twenty-one thousand, forty-three".