2521337 has 16 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 1968192.

The previous prime is 2521327. The next prime is 2521339. The reversal of 2521337 is 7331252.

It is a cyclic number.

It is not a de Polignac number, because 2521337 - 2⁶ = 2521273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521339) 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 15 ways as a sum of consecutive naturals, for example, 9239 + ... + 9507.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^2521337 is an apocalyptic number.

It is an amenable number.

2521337 is a deficient number, since it is larger than the sum of its proper divisors (623623).

2521337 is a wasteful number, since it uses less digits than its factorization.

2521337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its digits is 1260, while the sum is 23.

The square root of 2521337 is about 1587.8718462143. The cubic root of 2521337 is about 136.1059043900.

Adding to 2521337 its reverse (7331252), we get a palindrome (9852589).

The spelling of 2521337 in words is "two million, five hundred twenty-one thousand, three hundred thirty-seven".