8254391 has 2 divisors, whose sum is σ = 8254392. Its totient is φ = 8254390.

The previous prime is 8254381. The next prime is 8254397. The reversal of 8254391 is 1934528.

8254391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8254391 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8254397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127195 + 4127196.

It is an arithmetic number, because the mean of its divisors is an integer number (4127196).

Almost surely, 2^8254391 is an apocalyptic number.

8254391 is a deficient number, since it is larger than the sum of its proper divisors (1).

8254391 is an equidigital number, since it uses as much as digits as its factorization.

8254391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 8254391 is about 2873.0455965752. The cubic root of 8254391 is about 202.0978433294.

The spelling of 8254391 in words is "eight million, two hundred fifty-four thousand, three hundred ninety-one".