2503873 has 2 divisors, whose sum is σ = 2503874. Its totient is φ = 2503872.

The previous prime is 2503871. The next prime is 2503883. The reversal of 2503873 is 3783052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1517824 + 986049 = 1232^2 + 993^2 .

It is a cyclic number.

It is not a de Polignac number, because 2503873 - 2¹ = 2503871 is a prime.

Together with 2503871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2503871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251936 + 1251937.

It is an arithmetic number, because the mean of its divisors is an integer number (1251937).

2^2503873 is an apocalyptic number.

It is an amenable number.

2503873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2503873 is an equidigital number, since it uses as much as digits as its factorization.

2503873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2503873 is about 1582.3631062433. The cubic root of 2503873 is about 135.7909309312.

The spelling of 2503873 in words is "two million, five hundred three thousand, eight hundred seventy-three".