2645371 has 2 divisors, whose sum is σ = 2645372. Its totient is φ = 2645370.

The previous prime is 2645359. The next prime is 2645393. The reversal of 2645371 is 1735462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2645371 - 2¹⁷ = 2514299 is a prime.

It is not a weakly prime, because it can be changed into another prime (2645311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322685 + 1322686.

It is an arithmetic number, because the mean of its divisors is an integer number (1322686).

2^2645371 is an apocalyptic number.

2645371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645371 is an equidigital number, since it uses as much as digits as its factorization.

2645371 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2645371 is about 1626.4596521279. The cubic root of 2645371 is about 138.3021280881.

Subtracting from 2645371 its reverse (1735462), we obtain a palindrome (909909).

The spelling of 2645371 in words is "two million, six hundred forty-five thousand, three hundred seventy-one".