2503217 has 2 divisors, whose sum is σ = 2503218. Its totient is φ = 2503216.

The previous prime is 2503213. The next prime is 2503253. The reversal of 2503217 is 7123052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 57121 = 1564^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 2503217 - 2² = 2503213 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2503211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251608 + 1251609.

It is an arithmetic number, because the mean of its divisors is an integer number (1251609).

2^2503217 is an apocalyptic number.

It is an amenable number.

2503217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2503217 is an equidigital number, since it uses as much as digits as its factorization.

2503217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2503217 is about 1582.1558077509. The cubic root of 2503217 is about 135.7790710870.

Adding to 2503217 its reverse (7123052), we get a palindrome (9626269).

The spelling of 2503217 in words is "two million, five hundred three thousand, two hundred seventeen".