2417521 has 2 divisors, whose sum is σ = 2417522. Its totient is φ = 2417520.

The previous prime is 2417501. The next prime is 2417533. The reversal of 2417521 is 1257142.

It is a happy number.

2417521 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., 1587600 + 829921 = 1260^2 + 911^2 .

It is a cyclic number.

It is not a de Polignac number, because 2417521 - 2¹¹ = 2415473 is a prime.

2417521 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2417492 and 2417501.

It is not a weakly prime, because it can be changed into another prime (2417501) 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, 1208760 + 1208761.

It is an arithmetic number, because the mean of its divisors is an integer number (1208761).

2^2417521 is an apocalyptic number.

It is an amenable number.

2417521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2417521 is an equidigital number, since it uses as much as digits as its factorization.

2417521 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 2417521 is about 1554.8379336767. The cubic root of 2417521 is about 134.2116096663.

The spelling of 2417521 in words is "two million, four hundred seventeen thousand, five hundred twenty-one".