1025135343247 has 2 divisors, whose sum is σ = 1025135343248. Its totient is φ = 1025135343246.

The previous prime is 1025135343223. The next prime is 1025135343257. The reversal of 1025135343247 is 7423435315201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025135343247 - 2¹⁹ = 1025134818959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025135343257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512567671623 + 512567671624.

It is an arithmetic number, because the mean of its divisors is an integer number (512567671624).

Almost surely, 2^{1025135343247} is an apocalyptic number.

1025135343247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025135343247 is an equidigital number, since it uses as much as digits as its factorization.

1025135343247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 1025135343247 in words is "one trillion, twenty-five billion, one hundred thirty-five million, three hundred forty-three thousand, two hundred forty-seven".