2275391 has 2 divisors, whose sum is σ = 2275392. Its totient is φ = 2275390.

The previous prime is 2275363. The next prime is 2275393. The reversal of 2275391 is 1935722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2275391 - 2⁶ = 2275327 is a prime.

Together with 2275393, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2¹⁷ + 7³ + 5⁹ + 3¹⁰ + 9³ + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2275393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137695 + 1137696.

It is an arithmetic number, because the mean of its divisors is an integer number (1137696).

2^2275391 is an apocalyptic number.

2275391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2275391 is an equidigital number, since it uses as much as digits as its factorization.

2275391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 2275391 is about 1508.4399225690. The cubic root of 2275391 is about 131.5281400163.

The spelling of 2275391 in words is "two million, two hundred seventy-five thousand, three hundred ninety-one".