8275391 has 2 divisors, whose sum is σ = 8275392. Its totient is φ = 8275390.

The previous prime is 8275381. The next prime is 8275403. The reversal of 8275391 is 1935728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8275391 - 2¹⁴ = 8259007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8275301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4137695 + 4137696.

It is an arithmetic number, because the mean of its divisors is an integer number (4137696).

Almost surely, 2^8275391 is an apocalyptic number.

8275391 is a deficient number, since it is larger than the sum of its proper divisors (1).

8275391 is an equidigital number, since it uses as much as digits as its factorization.

8275391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 8275391 is about 2876.6979333952. The cubic root of 8275391 is about 202.2690839328.

The spelling of 8275391 in words is "eight million, two hundred seventy-five thousand, three hundred ninety-one".