2521417 has 2 divisors, whose sum is σ = 2521418. Its totient is φ = 2521416.

The previous prime is 2521397. The next prime is 2521429. The reversal of 2521417 is 7141252.

It is a happy number.

2521417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1320201 + 1201216 = 1149^2 + 1096^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521417 - 2¹¹ = 2519369 is a prime.

It is a Chen prime.

2521417 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2521517) 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 as a sum of consecutive naturals, namely, 1260708 + 1260709.

It is an arithmetic number, because the mean of its divisors is an integer number (1260709).

2^2521417 is an apocalyptic number.

It is an amenable number.

2521417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521417 is an equidigital number, since it uses as much as digits as its factorization.

2521417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 560, while the sum is 22.

The square root of 2521417 is about 1587.8970369643. The cubic root of 2521417 is about 136.1073438851.

Adding to 2521417 its reverse (7141252), we get a palindrome (9662669).

The spelling of 2521417 in words is "two million, five hundred twenty-one thousand, four hundred seventeen".