2501211 has 4 divisors (see below), whose sum is σ = 3334952. Its totient is φ = 1667472.

The previous prime is 2501201. The next prime is 2501243. The reversal of 2501211 is 1121052.

2501211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2501211 - 2¹⁰ = 2500187 is a prime.

It is a D-number.

It is a Duffinian number.

2501211 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2501201) 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 in 3 ways as a sum of consecutive naturals, for example, 416866 + ... + 416871.

It is an arithmetic number, because the mean of its divisors is an integer number (833738).

2^2501211 is an apocalyptic number.

2501211 is a deficient number, since it is larger than the sum of its proper divisors (833741).

2501211 is an equidigital number, since it uses as much as digits as its factorization.

2501211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833740.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 2501211 is about 1581.5217355446. The cubic root of 2501211 is about 135.7427916905.

Adding to 2501211 its reverse (1121052), we get a palindrome (3622263).

The spelling of 2501211 in words is "two million, five hundred one thousand, two hundred eleven".