2506371 has 24 divisors (see below), whose sum is σ = 3969792. Its totient is φ = 1377600.

The previous prime is 2506367. The next prime is 2506373. The reversal of 2506371 is 1736052.

2506371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2506371 - 2² = 2506367 is a prime.

2506371 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2506373) 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 23 ways as a sum of consecutive naturals, for example, 35266 + ... + 35336.

It is an arithmetic number, because the mean of its divisors is an integer number (165408).

2^2506371 is an apocalyptic number.

2506371 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2506371 is a deficient number, since it is larger than the sum of its proper divisors (1463421).

2506371 is an equidigital number, since it uses as much as digits as its factorization.

2506371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 2506371 is about 1583.1522352572. The cubic root of 2506371 is about 135.8360733971.

The spelling of 2506371 in words is "two million, five hundred six thousand, three hundred seventy-one".