1025343191 has 2 divisors, whose sum is σ = 1025343192. Its totient is φ = 1025343190.

The previous prime is 1025343173. The next prime is 1025343203. The reversal of 1025343191 is 1913435201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025343191 - 2¹⁰ = 1025342167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025343161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512671595 + 512671596.

It is an arithmetic number, because the mean of its divisors is an integer number (512671596).

Almost surely, 2^1025343191 is an apocalyptic number.

1025343191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025343191 is an equidigital number, since it uses as much as digits as its factorization.

1025343191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1025343191 is about 32020.9804815530. The cubic root of 1025343191 is about 1008.3773542939.

Adding to 1025343191 its reverse (1913435201), we get a palindrome (2938778392).

The spelling of 1025343191 in words is "one billion, twenty-five million, three hundred forty-three thousand, one hundred ninety-one".